Muhafu yekutanga yegore ra2022, musika wecalcium carbide yemuno hauna kuramba uchichinja-chinja muna 2021. Musika wese waive pedyo nemutengo wakatarwa, uye waive nekuchinja-chinja nekuda kwekukanganiswa kwezvinhu zvakagadzirwa, kuwanikwa uye kudiwa, uye mamiriro ekunze. Muhafu yekutanga yegore, pakanga pasina kuwedzera kutsva kwenzvimbo dzePVC dzemuno dzecalcium carbide, uye kuwedzera kwekudiwa kwemusika wecalcium carbide kwaive kushoma. Zvakaoma kumabhizinesi echlor-alkali anotenga calcium carbide kuchengetedza mutoro wakasimba kwenguva yakareba.
Nguva yekutumira: Chikunguru-20-2022