Holtop amapereka mankhwala a mpweya watsopano ku chipatala china kuti apititse patsogolo mpweya wamkati, monga ma ventilators obwezeretsa kutentha, ma ventilator obwezeretsa mphamvu, makina oyeretsera mpweya, makina ophera tizilombo toyambitsa matenda.Nawa zochitika zina za polojekiti.Ngati muli ndi projekiti ina iliyonse, landirani ku ...
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