Ipayipi lensimbi elivunguzayo lidinga ukwelashwa kwangaphandle ukuze lengeze ukuqina: 1. Ingaphezulu leshubhu elivunguzayo le-anticorrosive lihlanzwa ngezinyibilikisi nama-emulsion, angasusa izinto eziphilayo phezu kweshubhu elivunguzayo, kodwa alikwazi ukususa ukugqwala, isikali se-oxide, i-welding flux, njll., ngakho-ke ukuhlanza ...
Funda kabanzi