Question 1
The bearings of shop equipment ________.
◦ Should be lubricated regularly if possible
◦ Are often sealed and cannot be lubricated
◦ Both A and B
◦ Neither A nor B
Question 2
The steel wire wheel on a bench grinder can be used to clean ________.
◦ Threads of bolts
◦ Aluminum surfaces
◦ Both A and B
◦ Neither A nor B