... , school, hospital, in facts, almost everywhere. 5.How to assemble Pipe Joint System ? Assembly of Pipe Joint system is ... simple. Make a drawing, cut the pipes size according to your drawing, and lock ... do it, no special skill required! 6.How to calculate pipe size/placon roller size? Pipe size ... . -Easy maintenance - Just dis-assemble the pipes and replace with a new one -With all the above ...