1: Mapangidwe amtundu amayamba ndi mapangidwe olondola aposachedwa a makina a njerwa osayaka, komanso kukonza makina a njerwa aulere a Quanzhou. Zogulitsa zapamwamba zimafunikira chitsimikizo cha zida zodalirika. Kuchita bwino kwambiri kwamakina a njerwa a simenti kumabwera chifukwa cholimbikira, kukhazikika, kulimba komanso kukhala ndi mnzake wabwino pazida zamakina ang'onoang'ono osayaka.

2: Kapangidwe kabwino kanjira kawiri kamene kamakhala ndi mphamvu zowongoka komanso zopingasa mbali zonse za makina a njerwa osayaka osayaka nthawi imodzi, zomwe zimapangitsa kuti zikhale zosavuta kukonza gulu lothandizira makina anjerwa ndikupeza zotsatira zabwino zosawononga bolodi. Ili ndi bolodi yosungiramo ukonde ya makina aku China osayaka njerwa, yokhala ndi kufalikira kwakukulu. Poyerekeza ndi makina a njerwa akale osayaka ku Kunming, omwe ali ndi malo abwinoko achilengedwe a bolodi lothandizira magalasi, Phokoso ndi alamu yopepuka, yosavuta kugwiritsa ntchito ndi kukonza.