Answer Posted / pradeep

depends for what surface it used horizontal or vertical.
Also depends on how much time it remains in contact with
concrete per use. Also on workmanship of carpenter and many
other reasons for no of reuse. normally it varies from 4 to
7 times.

hi, i am appearing in HPCL(CIVIL ENGG.)exam. plz send me placement paper of this exam if u are having

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