Question

tools and objects should not be left in places where they can *
be tripped on
fall and cause injury
potentially cause fire
all of the above

it is best to fasten or remove loose clothing and roll above your elbows: * 1 point
before operating machinery
during the operation of the machine
after operating the machine
only when you are assisting the instructor

true or false: all safety glasses must have an ansi z - 87 approval * 1 point
true
false

any broken equipment or machinery must be: * 1 point
shut off and removed from the work area
brought to the instructors attention immediately
fixed properly before using
all of the above

Explanation:

1. Tools and objects left in places where they can be tripped on, fall and cause injury, or potentially cause fire are safety - hazards. So, they should not be left in such places.
2. Loose clothing can get caught in machinery, so it's best to fasten or remove it and roll up sleeves before operating machinery.
3. ANSI Z - 87 approval is a standard for safety glasses to ensure they provide adequate protection, so all safety glasses should have it.
4. Broken equipment or machinery should be shut off, removed from the work area, brought to the instructor's attention immediately, and fixed properly before using to avoid accidents.

Answer:

1. D. all of the above
2. A. before operating machinery
3. A. True
4. D. all of the above