Nā runga i te whakamahere ā-wariwari, ka noho ngā waka HCl hei kawe i te hāpūngarua, he rauemi kimiko nui rawa te mākutu me te pūnaha. Ko ngā tinana o ēnei waka i hangaia i te hunga e pai ana ki te whakatupu i ngā pūtake mākutu o te HCl, pērā i te ahi inox 316 rānei ko te whakapai i ngā fluoropolymers. Ko te haumanu hei tūranga tuatahi, me ngā momo hoko e āhei ana ki te whakamutu i ngā pūnana, me ngā reta whakamutunga moeheke, me ngā raraunga whakamōhio pūnana matua. Heoi anō, he whakahaere pai hoki i ngā hāpai kaiwhakatupu HCl me ngā tūtohu ahi mō te mahi whakatupu i te hāpūngarua. Me whakaaetia e ngā waka HCl i ngā ture whakawāhanga tino whakahirahira mō ngā rauemi huarahi, kia ora ai te kawe i te hāpūngarua ki ngā whenua pāngarau pērā i te hanga rauemi, te whakatupu tangata, me te whakatika wai.