آب بندی

Question

لوله  را باید آب بندی کرد.

Answer 1

May be:

pipes have to be well sealed 

look at this one fro another version of آب بندی 

http://chimigan.com/1122/ماشین-هنوز-آب-بندی-نشده

Comments

So was it correct?

Answer 2

CAULK : calk :

To fill the holes or cracks in a ship with an oily or sticky substance in order to keep water out.

Comments

Dear mhe93

Thanks for your precise answer.

Regards

Ali