Kafukufuku woyesera pa ntchito ya granite ufa mu konkriti

M'zaka zaposachedwa, nyumba yomanga ya China ikukula mwachangu ndipo yakhala yopanga miyala yayikulu kwambiri padziko lonse lapansi, kugwiritsa ntchito ndi dziko lotumiza kunja. Kumwana pachaka chokongoletsera m'dzikolo kumaposa 250 miliyoni m3. The Minnan Golden Triangle ndi dera lomwe lili ndi makampani opanga miyala yotukuka kwambiri mdzikolo. M'zaka khumi zapitazi, ndi kutukuka komanso kukula kwa makampani omanga, ndipo kusintha kwa nyumbayo ndi zokongoletsera za nyumbayo, zomwe amafuna kuti mwalawo ukhale wamphamvu kwambiri, adabweretsa nthawi yopanga miyala. Kufunika kopitilira mwala wathandizira kwambiri chuma cham'deralo, koma wabweretsanso mavuto azachilengedwe omwe ali ovuta kuthana nawo. Kutenga Nanun, makampani opanga miyala yabwino, mwachitsanzo, imabweretsa zinyalala zoposa 1 miliyoni chaka chilichonse. Malinga ndi ziwerengero, pakadali pano, pafupifupi matani 700,000 a ufa wa mwala wamiyala akhoza kuthandizidwa m'derali chaka chilichonse, ndipo zopitilira 300,000 sizikugwiritsidwabe ntchito. Ndi mathate othamanga opanga zinthu zopulumutsa ndi zodzikongoletsa, ndikofunikira kufunafuna miyeso kuti mupewe kuipitsidwa, ndikukwaniritsa cholinga cha chithandizo chowononga, kupulumutsa zinyalala komanso kuchepetsedwa kwa mphamvu.