Samfurin Gabatarwa:

Ƙasa Rod Matsa
da Brass.
Wannan matattarar sandar da ke ƙasa shine don yin babban haɗin haɗin waya zuwa ƙasa.
Ƙulle sandar ƙasa: 1/2 “, 5/8”, da 3/4 “.

Application: