Which of the following locks has been in use the longest and has no security value?
A . The disc-tumbler lock
B . The warded lock
C . The wafer lock
D . The pin-tumbler lock
E . The lever lock
Answer: B
Which of the following locks has been in use the longest and has no security value?
A . The disc-tumbler lock
B . The warded lock
C . The wafer lock
D . The pin-tumbler lock
E . The lever lock
Answer: B