ladders
When using ladders in high traffic areas, near doorways, etc., be sure to _____
set up a barricade.
The safest way(s) to enter and exit an excavation is by
ladder or ramp
The most common injury in our industry when drilling overhead involves the
eyes.
the main purpose of a GFCI
to pervent shock
Always listen for warning sounds, but be especially alert for _____
back-up alarms
When accessing an upper level with a portable straight ladder be sure the ladder extend atleast _____ ' above da landing
3'
Anytime an excavation is ___feet deep or deeper, there must be adequate means established to enter/exit the excavation
4'
The most important thing to do before changing a power tool accessory is to
disconnect the power source
check extension cords?
B-4 use
Most heavy equipment has one or more _____ that can obstruct the operators view
blind spots
When selecting a ladder for a particular job, look on the side rails to identify the _____ and be sure not to exceed it
maximum load rating
The least cohesive and most likely to cave-in type of soil is Type
type c
Some of the most commonly occurring injuries involving hand tools in our industry result from improper use of
utility/razor knives and wrenches
Lights and _______ must be on separate circuits
power tools
Before entering a heavy equipment work area, you should always _____
get the operator’s attention.
When using a stepladder, never stand above the
second step from the top
The four types of protective systems for excavations are
sloping, benching, shielding, and shoring
Our most commonly occurring injuries involving power tools are from improper use of
portable band saws
Electricity always follows ________ to ground
the path of least resistance
Stay as far away as possible from the _____ of a crane.
swing radius
When using a portable straight ladder, set it up so that it has the proper ____
4 to 1 pitch
Never enter a excavation that’s _____ feet deep or deeper without a protective system in place, unless its Type A soil
5'
When cutting an object with a portable bandsaw it is always best to _____ whenever possible
secure the object in a vice
It only takes about ________ to kill most people
70 to 100 milliamps
Construction workers can become _____ to back-up alarms and warning sounds
desensitized