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power tools are an important part of
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everyday life
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for professionals and home users alike
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manufacturers create versatile safe and
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easy to use tools
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however you should be aware of the risk
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of accidents and understand how to work
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safely
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this lesson will review safety and best
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practices for using power tools
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with the vision to unify and educate
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others about power tools
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the power tool institute has established
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itself as the leading organization for
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building global understanding of power
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tools
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and for maintaining high standards of
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safety in the industry
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its members represent market leading
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brands in the areas of
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portable and stationary power tools from
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table saws to portable drills
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from shapers to sanders the power tool
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institute's members are committed to
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improving the industry
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and to being the premier resource for
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power tool education
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our objectives are to educate the public
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as to the usefulness and importance of
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power tools
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to encourage high standards of safety in
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the manufacture of power tools
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and prepare and distribute information
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about safe use of power tools
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general power tool safety warnings
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define a power tool
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as an electric tool which may be
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connected to a source of electricity by
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a cord or be powered by a battery
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they are often used in place of hand
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tools to perform a variety of work
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ranging from construction to
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manufacturing to home improvement and
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more
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injuries can be prevented by exercising
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caution
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following the instructions in the
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operator's manual and using the best
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practices in this lesson
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power tools require operator knowledge
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and adherence to safety instructions
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they must be used sensibly and kept in
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safe operating condition
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whether they are in the hands of a
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professional tradesman a beginning
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do-it-yourselfer
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or a vocational student the demands of
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safety
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apply to all the material presented here
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is a compilation of specific power tool
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warnings
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the purpose is to highlight some of the
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safe use requirements of specific tools
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the general safety warnings and
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instructions offer a basis for safety
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the warnings and instructions on the
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power tool and in its operator's manual
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provide the best source of safety
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information for the tool
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read and understand the contents and
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follow all warnings and instructions
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for each specific power tool and all
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related accessories
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this is essential to the safe operation
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of any power tool
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power tools can be dangerous if all
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safety warnings and instructions are not
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followed carefully
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general safety warnings and instructions
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apply to power tools
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both corded and cordless please note
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that cordless power tools
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chargers and batteries may require
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additional safety measures
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review the operator's manual for more
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details
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following good safety practices when
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using all power tools
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is a must make a habit of including
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safety in all your activities
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do not underestimate how quickly an
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accident can occur if proper safety
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practices
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are not followed proper power tool
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inspection
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involves looking at the tool before
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turning it on or using it
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before using a power tool ask yourself
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are moving parts misaligned or binding
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are all parts including guards and
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accessories in place
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is anything broken or loose and are all
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parts
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batteries and accessories manufacturer
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recommended
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damaged tools batteries accessories or
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tools with missing or malfunctioning
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parts or accessories
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must be fixed or replaced before using
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them develop a maintenance schedule for
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your tool
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examples of a damaged tool include
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malfunctioning power switches and
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improperly functioning safety guards
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if a power tool is damaged do not use
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and take it to be serviced by a
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qualified repair center
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service or maintenance performed by
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unqualified personnel
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or use of inferior parts or accessories
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could result in a risk of injury
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use only manufacturer recommended parts
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before using power tools always read and
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understand the tools operators manual
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tool markings and the warnings and
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instructions packaged with the tool or
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accessory
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before starting any work start with a
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safe work area
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keep your work area clean and well lit
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cluttered benches and dark areas invite
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accidents
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do not operate power tools in explosive
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atmospheres
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near flammable liquids gases or dust
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power tools create sparks which may
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ignite the dust or fumes
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and keep bystanders and children away
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when using a power tool
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distractions can cause you to lose
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control
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practice electrical safety grounded
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tools with three pronged cords must be
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plugged into a properly grounded outlet
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never remove or cut off the grounding
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prong or modify
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the plug in any way do not use any
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adapter plugs
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double insulated tools have a polarized
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plug where one blade is wider than the
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other
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this plug will fit into any outlet only
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one way
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do not change the plug in any way and do
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not use ac
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only rated tools with a dc power supply
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the wire gauge and length of the
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extension cord must be able to handle
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the amps of the tool
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find the amps on the tools nameplate and
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use the chart from the operator's manual
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to determine the necessary wire gauge
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for your extension cord length
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practice personal safety dress properly
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do not wear loose clothing or jewelry
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keep your hair
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clothing and gloves away from moving
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parts
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loose clothes jewelry or long hair can
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be caught in moving parts
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remove adjusting keys and wrenches
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before turning the tool on
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after proper preparation it's time to
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use your power tool
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remember electricity can be dangerous
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when using a power tool don't touch
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grounded surfaces such as pipes
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radiators ranges and refrigerators there
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is a higher risk of electric shock if
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your body is grounded
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don't use or leave power tools or
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batteries in the rain or wet conditions
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do not abuse the cord carry the tool by
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its cord or pull the cord to unplug it
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keep the cord away from heat oil sharp
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edges or moving parts
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replace damaged or worn cords
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immediately
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don't use damaged batteries replace them
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immediately with manufacturer
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recommended batteries
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always hold the tool by the insulated
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gripping surfaces
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this also applies to battery operated
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tools
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contact with hidden wiring or a tool
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zone cord will make exposed metal parts
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of the tool
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live and shock the operator use
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extension cords properly
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when using a power tool outside use an
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extension cord
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marked for outdoor use with w a or w
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these cords are made for outdoor use
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extension cords with three-prong
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grounding plugs
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must be plugged into properly
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functioning three-prong outlets when
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using grounded tools
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follow these personal safety and work
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habits best practices
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stay alert watch what you're doing and
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use common sense when using a power tool
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do not use tools when you are tired or
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under the influence of drugs
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alcohol or medication keep handles dry
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clean and free from oil in grease
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be sure the power tool switches off
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before plugging it in
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or inserting a battery pack do not carry
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tools with your finger on the switch
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unplug the tool and remove its battery
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before changing accessories
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performing any maintenance or adjustment
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on the tool
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use safety and personal protective
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equipment always wear eye protection
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a dust mask non-skid safety shoes hard
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hat
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or hearing protection must be used when
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specified in the operator's manual
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do the job safely always keep a firm
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footing when using power tools
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be sure you have balance and control
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before you start the job
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use the power tool accessories only for
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the jobs for which they were
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designed secure and support the
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workpiece
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use clamps and a stable work surface do
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not hold the work by hand or against
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your body
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keep hands away from rotating or moving
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parts
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do not touch the drill bit blade cutter
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or the work piece immediately after
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operation
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they may be very hot and may burn you
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use two hands on the tool when
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recommended by the operator's manual
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keep guards in place and working
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properly
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do not force the tool use the right tool
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for your job
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it will do the job better and safer use
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only accessories recommended by the tool
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manufacturer
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accessories that may be suitable for one
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tool may become
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hazardous when used on another tool
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use only batteries recommended by the
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tool manufacturer
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use of batteries not recommended by the
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manufacturer can result in fire
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or explosion if a method of dust
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collection is available with the power
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tool
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it should be used to reduce the risk of
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dust related hazards
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after you're done using your power tools
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you must store them out of harm's way
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store battery packs away from other
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metal objects like paper clips
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coins keys nails screws
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or other small metal objects these
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things can make a connection
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from one terminal to the other shorting
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the battery terminals together
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and causing burns or fire to avoid
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accidental starting
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unplug the cord remove batteries or lock
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off the switch when the tool is not
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being used
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keep tools out of the reach of children
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and people unfamiliar with the tools
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power tools are an investment effective
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maintenance will ensure
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safe use for future work follow
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instructions regarding maintenance
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in the tools operator's manual when
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maintaining a tool
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use only identical replacement parts use
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of unauthorized parts or failure to
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follow the maintenance warnings and
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instructions
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may create a risk of electric shock or
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injury
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clean and lubricate a tool only as
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directed in its operator's manuals
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certain cleaning agents such as gasoline
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carbon tetrachloride
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and ammonia may damage plastic parts
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maintain labels these carry important
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information
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if unreadable or missing contact the
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manufacturer for a replacement
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maintain accessories keep blades and
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bits sharp and clean
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check abrasive wheels for chips and
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cracks do not use a damaged wheel
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the safe and proper use of power tools
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and accessories will ensure you are able
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to complete work tasks while avoiding
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the risk of injury
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follow the safety instructions and best
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practices presented in this lesson
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when in doubt refer to your tools
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operator's manual
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remember that injuries and property
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damage can be prevented by exercising
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caution when using power tools
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you
