Question

when finished drilling metal, possible hazards are select one: a. there will likely to be sharp edges and burrs around the hole b. all of these c. chips and shaving will be sharp and likely hot d. the metal and bit may be hot

Explanation:

When drilling metal, friction can heat up the metal and bit. Chips and shavings are produced which are sharp and hot. Also, sharp edges and burrs can form around the hole. So all the options describe possible hazards.

Answer:

B. All of these