18. One furniture used in library is :
(A) Index card cabinet (B) Bin card cabinet
(C) Vanity cabinet 7 (D) Wall ೧801101
. 19. An operation for producing rectangular hole is :
(A) Boring (B) Drilling
(C) Mortising (D) Tenoning
20, A striking tool used in assembling of parts in carpenter shop :
(^) Ball peen hammer (18) Sledge hammer
(C) Mallet (D) Bossing mallet
21... ೨18100 centre part of the tree.
(ಯ) Medulla രു Cortex
(....
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