Here are the answers to your questions:
Question 41 of 43: When grinding, use a B. safety glasses or face shield that protects the eyes from all directions.
Question 42 of 43: B. Grounded or 3 prong extension cords should be used when plugs are designed for three wire connections.
Question 43 of 43: The blade on the table saw should never stick up more than E. 1/8 to 1/4 inch/inches above the stock to be cut.