The minimum protective shade for filter lenses in arc cutting is 8.

What must be done immediately before mounting of abrasive wheels?

How many Discussion Questions will be given in this course?

A portable ladder used to reach a platform 12 feet above the ground must have side rails that extend ______ feet above the platform.

Arc welding electrodes can be left in the holders overnight provided the holders are located so that accidental contact does not occur.

It is permissible to stand on the top step or rung of both stepstools and portable ladders.

Arc welding requires the use of screens to prevent co-workers and others from directly viewing the welding operations. The screens, however, cannot restrict the ventilation for the welder. What is the recommended height above the floor for screens to be mounted, unless the welding is taking place at floor level?

Which of the following would not be considered a member of a Partially Exempt Industry?  

Which of the following is not a suitable method for protecting against fall hazards?

Standard §1910.29(b)(1) requires: