Exam

$1$ Why do a machine's energy sources generally become more hazardous during service and maintenance activities?

A$.$ Workers are less familiar with procedures they don't perform daily

B$.$ Workers are often required to access areas that would be hazardous if the machine was running

C$.$ Any break in routine introduces unknown and potentially hazardous variables

D$.$ Energy tends to accumulate in machines that aren't releasing energy as rapidly as they're producing it