Tirohia te wāhanga i raro nei, a ka whakahoki i te pātai i muri i roto i te reo ano rite te wāhanga: Passage: Ko tētahi o nga tono tino nui o te waikawa hydrochloric ko i roto i te pickling o te maitai, ki te tango i te waikura ranei maitai waikura tauine i te rino ranei maitai i mua i te tukatuka i muri mai, pērā i extrusion, hurihia, galvanizing, me ētahi atu tikanga. kounga Hangarau HCl i te tikanga 18% kukū ko te kaihoko pickling tino whakamahia mō te pickling o ngā kāwai maitai waro. Pātai: He aha te ōrau o te kukū ko HCI ka whakamahia mō te tiki atu i ngā kāwai maitai waro?
18% ngā