Safety precautions must be observed, especially when pruning trees.
Which one of the following is an unsafe practice?
Halting of traffic during actual trimming
Use of a tree trimmer aloft
Use of an axe aloft
Use of saw aloft
load, a failure warning is indicated when the
snatch block jams.
hook starts to open.
Certain safety precautions must be
observed when handling service
wires or working near power systems.
One important safety precaution
assume that light circuits are energized even though the lights
assume that guy wires are safe when equipped with insulators.
treat insulated foreign wires as insulated wires.
string telephone wires above power lines.
Maximum protection must be provided for construction crews when
working in busy traffic areas.
What is the recommended distance for
initial warning signs and the spacing of traffic cones when the local
speed limit is 45 miles per hour?