Zomangira ndi zingwe zidapangidwa kuti zizigwiritsidwa ntchito kwakanthawi pakati pa mayunitsi awiri.Zigawozi zimapezeka m'mafakitale ambiri ndipo nthawi zambiri zimapezeka pazinthu monga, zifuwa, makabati, mabokosi a zida, zivindikiro, zotengera, zitseko, mabokosi amagetsi, zotsekera za HVAC, pakati pa zina zambiri.Kuti muwonjezere chitetezo...
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