"Slips and locks" refers to _________
a) a means of isolating motors
b) special seams used to fasten ducts together
c) a system to prevent injuries
d) a way to block a doorway
e) a type of chain used in industry
Answer: B
"Slips and locks" refers to _________
a) a means of isolating motors
b) special seams used to fasten ducts together
c) a system to prevent injuries
d) a way to block a doorway
e) a type of chain used in industry
Answer: B