Ngokuthuthuka okuqhubekayo kwenqubo yezimboni zomhlaba wonke, isidingo samashubhu e-carbon steel (cs tube) siyakhula unyaka nonyaka.Njengezinto ezisetshenziswa kakhulu zamapayipi, amashubhu ensimbi e-carbon asetshenziswa kabanzi emikhakheni eminingi njengamandla, ukwakhiwa, kanye nomkhakha wamakhemikhali.Nokho, lapho...
Funda kabanzi