to pull-Push Task 1 Fill in the Gap Complete the sentence in the most appropriate answer in the box Do this in your Activity Notebook. MATERIALS PLUMBING PIPE PLUMBER PVC PPR 1.____ is the stuff from which a thing is made of or consisting of matter 2.____ A title given to a person who is skilled in the field of sanitation is 3.____the art and science of installing pipes, fixtures and other apparatus to convey and supply water in building and to dispose. 4.____is a cylindrical conduit or conductor conforming to the particular dimensions5. Polyvinyl Chloride is an acronym for____​