Answer
Umwuka ugabanuka ukoresheje ibishishwa bya chlorine (nka Trichlorethylene, nubwo bigengwa) bifite akamaro kanini mugukuraho amavuta aremereye hamwe namavuta yo kwisiga mumashanyarazi akomeye yimpeta igumana impagarara bitewe nubushyuhe buke bwo hejuru hamwe nimbaraga nyinshi zo kwishyura. Nyamara, isuku yo mumazi ihinduka urwego rwinganda kubera amabwiriza y’ibidukikije. Ku byuma byinshi bya karubone (SAE 1070-1090), isuku yo mu mazi isaba icyiciro cyumye kandi hongerwamo ibyuma byangiza ingese kugirango birinde 'flash rusting' mbere yuko hashyirwaho fosifate (zinc cyangwa manganese). Ipitingi ya fosifate itanga ubuso bunoze butuma amavuta agumana amavuta kandi akongeramo urwego rwo kurinda ruswa, aringirakamaro kumpeta zikoreshwa mumashanyarazi.
