China ndiye dziko lalikulu kwambiri padziko lonse lapansi logulitsa nsalu padziko lonse lapansi. M'zaka zaposachedwa, chifukwa cha zovuta zambiri monga kukwera mtengo, ndondomeko ya chilengedwe ndi zochitika za black swan, ambiri com
A Boyin amachitira makina aliwonse, mphuno iliyonse ili ndi chisamaliro.Maphuno ali ngati ana athu, amafunikira chisamaliro chosamala, chodekha komanso chodekha. Kenako, a Boyin apitiliza kufotokoza momwe angasungire makinawo ndi ma nozzles m'nyengo yozizira② Samalirani osankhidwa osasunthika.
Boyin mwachindunji digito kusindikiza luso wakhala luso lalikulu mu makampani nsalu chifukwa cha dzuwa kwambiri, kuteteza chilengedwe ndi kusinthasintha. Poyerekeza ndi kusindikiza kwachikhalidwe, Boyin mwachindunji makina osindikizira digito akhoza pro