Chiyambi cha Zomangira-1

Zomangira ndi mtundu wa chinthu chamakina chomwe chimagwiritsidwa ntchito pomangirira ndi kulumikiza makina osiyanasiyana, zida,magalimoto, zombo, njanji, milatho, nyumba, zomangamanga, zida, zida, ndi zinthu zina. Amadziwika ndi kukula ndi mawonekedwe osiyanasiyana, magwiridwe antchito osiyanasiyana, komanso kuchuluka kwa miyezo, kusinthasintha, ndi kufalikira. Chifukwa chake, anthu ena amatchula gulu la zomangira zomwe zili kale ndi miyezo yadziko lonse ngati zomangira zokhazikika, kapena ngati zigawo wamba. Zomangira ndi zida zamakanika zomwe zimagwiritsidwa ntchito kwambiri. Zomangira ku China zimatumizidwa mochuluka kumayiko osiyanasiyana padziko lonse lapansi, ndipo zinthu zomangira kuchokera kumayiko osiyanasiyana zimalowanso nthawi zonse pamsika waku China. Monga chimodzi mwa zinthu zomwe zili ndi kuchuluka kwakukulu kwa zinthu zotumizira ndi kutumiza kunja ku China, kukwaniritsa miyezo yapadziko lonse lapansi ya zomangira ndikofunikira kwambiri pakulimbikitsa mabizinesi aku China kuti apite padziko lonse lapansi, ndikulimbikitsa kutenga nawo mbali kwathunthu kwa mabizinesi omangira mgwirizano wapadziko lonse lapansi ndi mpikisano.
Tanthauzo la ulusi
1. Ulusi ndi mawonekedwe okhala ndi helix yofanana yomwe imatuluka pa gawo lakunja kapena mkati mwa chinthu cholimba.

2. Kugawa ulusi m'magulu
Malinga ndi kapangidwe kawo ndi ntchito zawo, akhoza kugawidwa m'magulu atatu:

Ulusi wamba: wokhala ndi mawonekedwe a dzino la triangle, womwe umagwiritsidwa ntchito polumikiza kapena kumangirira ziwalo. Ulusi wamba umagawidwa m'magulu a ulusi wolimba ndi wopyapyala malinga ndi mtunda, ndipo mphamvu yolumikizira ya ulusi wopyapyala ndi yokwera.

Ulusi wotumizira: wokhala ndi mawonekedwe a mano a trapezoidal, rectangle, sawtooth, ndi triangular, ndi zina zotero.

Ulusi wotsekera: umagwiritsidwa ntchito polumikiza zomangira, makamaka ulusi wa mapaipi, ulusi wochepetsedwa, ndi ulusi wa mapaipi wochepetsedwa.

Kuti mumvetse bwino za zigawo zamagalimoto, chonde onani muyezo wamagalimoto "Malamulo Owerengera Zinthu Zazigawo Zamagalimoto" (QC/T 326-2013). Izi zikumaliza chidziwitso cha masiku ano ndikugawana zomwe zili mkati , mawa padzakhala zambiri zokhudza zomangira.

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