Before Reapairing computer,which of the following must be consider first in using the hand tools?
A.check defective Hand tools to be used
B.examine and clean the hand tools
C.never use personel protective equipment
D.select faulty hand tools
A.check defective Hand tools to be used
B.examine and clean the hand tools
C.never use personel protective equipment
D.select faulty hand tools
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Answer:
a and b
Explanation:
( ignore the bracket )