The steel wire wheel on a bench grinder can be used to clean ...

[daltonest1984]

The steel wire wheel on a bench grinder can be used to clean ________.
 
  A) Aluminum surfaces B) Threads of bolts
  C) Both A and B D) Neither A nor B

Question 2

Technician A says that face shields should always be worn when using a bench grinder. Technician B says that face shields are not required when using bench grinders with built-in shields. Which technician is correct?
 
  A) Technician A only B) Technician B only
  C) Both technicians A and B D) Neither technician A nor B

[ergserg]

Answer to Question 1

B

Answer to Question 2

A

[daltonest1984]

Excellent

[Joy Chen]

TYSM