Izikulufo zisetshenziswa kabanzi. Izikulufo kungenye yezimpawu zethu ezivamile.Isetshenziswa ikakhulukazi kulezi zindawo ezine ezilandelayo:

1. Ipuleti yensimbi engenasici, ipuleti yensimbi, ipuleti yensimbi egxilile, ukufakwa kobunjiniyela.

2. Metal kwesihenqo sodonga sensimbi ekhanyayo nokunye ukufakwa kwangaphakathi nangaphandle.

3. Insimbi ye-Angle ejwayelekile, insimbi yesiteshi, ipuleti yensimbi nezinye izinto zensimbi ezihlanganisiwe.

4. Amaphrojekthi womhlangano wamabhokisi ezimoto, amabhokisi ezitolo, imboni yokwakha, imishini yokuqandeka, njll.