Munyika yekugadzira zvinhu zvemagetsi, kunyanya mukugadzira mabhodhi edunhu akadhindwa (PCBs), kuvimbisa mhando kwakakosha zvikuru. Chimwe chezvishandiso zvinoshanda zvikuru pakuona kuti zvinhu zvakanyatsonaka uye zvakarurama mukugadzira maPCB ndiko kushandisa mabhodhi ekuongorora egranite. Nzvimbo idzi dzakasimba uye dzakagadzikana dzinopa mabhenefiti akasiyana-siyana anovandudza maitiro ekusimbisa mhando.
Chekutanga, mapurati ekuongorora granite anopa kutsetseka kwakanaka uye kuomarara. Hunhu hwechisikigo hwegranite hunoita kuti pamusoro payo pasave pakadzikama chete, asiwo pasave nekukombama uye kushanduka nekufamba kwenguva. Kugadzikana uku kwakakosha pakuyera maPCB, sezvo kunyangwe kusarongeka kudiki kunogona kukonzera zvikanganiso zvakakura mukugadzirwa. Nekushandisa mapurati egranite, vagadziri vanogona kuve nechokwadi chekuti zviyero zvavo zvakarurama, zvichikonzera zvigadzirwa zvemhando yepamusoro.
Pamusoro pezvo, mabhodhi ekuongorora granite akasimba zvikuru uye haaparare. Kusiyana nezvimwe zvinhu zvinogona kuora kana kukuvara nekufamba kwenguva, granite inoramba yakasimba, ichipa mhinduro inogara kwenguva refu yekusimbisa mhando. Kugara kwenguva refu uku kunoreva mitengo yakaderera yekugadzirisa uye kusachinja-chinja kakawanda, zvichiita kuti mabhodhi egranite ave sarudzo inodhura kune vagadziri vePCB.
Chimwe chinhu chakakosha chegranite inspection plates ndechekuti dzinoenderana nemidziyo yakasiyana-siyana yekuyera. Ingave ichishandisa macaliper, micrometers kana coordinate measuring machines (CMMs), granite plates dzinogona kugamuchira maturusi akasiyana-siyana, zvichiita kuti akwanise kushandiswa mumhando dzakasiyana dzekusimbisa hunhu. Kuchinjika uku kunoita kuti vagadziri vagone kugadzirisa maitiro avo ekuongorora uye kuvandudza kushanda zvakanaka.
Mukupedzisa, mabhenefiti emabhodhi ekuongorora granite ekusimbisa hunhu hwePCB ari pachena. Kusatsetseka kwawo, kugara kwenguva refu, uye kuenderana kwawo nemidziyo yekuyera zvinoita kuti ave chinhu chakakosha kuindasitiri yekugadzira zvemagetsi. Nekudyara mari mumabhodhi ekuongorora granite, vagadziri vanogona kuvandudza maitiro avo ekusimbisa hunhu, pakupedzisira vachigadzira zvigadzirwa zvePCB zvemhando yepamusoro uye kuwedzera kugutsikana kwevatengi.
Nguva yekutumira: Ndira-15-2025