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