Insimbi egoqiwe eshisayo ivame ukusetshenziswa ezingxenyeni lapho ukuvikela ukugqwala kungabalulekile khona.Kunezinqubo ezivumela amashidi ensimbi agoqwe ashisayo ukuze avimbele nokugqwala.Le nqubo ibizwa nge-HRP&O - I-Hot rolled pickled and oiled.