Zvishandiso zvinoshanda: Copper, aluminium, nylon. Copper tube kuisirwa matanho: 1. Chengetedza tubhu yemhangura pakazivikanwa pachinzvimbo uye uwedzere kuzasi, screw pane iyo mafuta tube yakakodzera.2. Inzwa screwing kusvika pasi uye ipapo zvishoma nezvishoma simbisa kamwe chete. Mushure mekubatana, chisimbiso chakaremara nekuwedzera, shrinkage, kukiya pombi yemhangura inogona.
