Participants may use working equipment but must observe proper safety precautions when demonstrating any live electrical part.
(Participants; may use; working equipment) (Participants; must observe; proper safety precautions; T:when demonstrating any live electrical part) Context(Participants must observe,List([0, 55))):(Participants; must observe proper safety precautions demonstrating; any live electrical part)
Participants must observe,List([0, 55))
Participants Participants Participants
may use must observe must observe proper safety precautions demonstrating
working equipment
proper safety precautions T:when demonstrating any live electrical part
any live electrical part