1.it is a cylinder tube used in the installation of a pipeline?
a.pipe
b.bushing
c.elbow
d.cap

2.it is a pipe that is commonly used in plumbing system.

a.PE pipe
b. PVC pipe
c.GI pipe
d. cooper pipe

3.it is a kind of fitting inserted to eliminate the need for replacement of a complete joint

a.elbow
b.nipple
c.cap
d.bushing

4.the person who wites his or her name and signature as he or she request fo the tools and materials to be used

a. safety officer
b.botrower
c.materials officer
d.leadman

5.he or she leads the group in doing a specific task

a.leadman
b.safety officer
c.foreman
d.material officer​