http://www.hollandeph.com/ Ｆｏｒ　ｃｏｍｍｅｒｃｉａｌ　ａｎｄ　ｒｅｓｉｄｅｎｔｉａｌ　ｐｒｏｊｅｃｔｓ ja Thu, 2 Oct 2008 16:23:31 +0900 Thu, 2 Oct 2008 16:23:31 +0900 http://www.hollandeph.com/index.html Piping is to install the tube (pipe) and the tube and the hose to protect the wiring etc. to transport the fluids such as the liquid, gases, and fine particles. The installed tube might be indicated a… Thu, 2 Oct 2008 16:23:31 +0900 http://www.hollandeph.com/index.html