1.Kupanga kwatsopano, makina odzipangira okha, chinsinsi chimodzi chosintha kukula ndi PLC (zosiyana zapamwamba ndi zotsika zimathanso kusinthidwa).
2.Liwiro ndilothamanga kwambiri ku China, ndipo ubwino wa zipangizozi umagwirizana ndi miyezo ya ku Ulaya ndi America.
3.Pansi pamalingaliro owonetsetsa kuthamanga, chinthu chomalizidwa chimakhala ndi zotsatira zabwino, zolondola kwambiri, zokolola zambiri, ndikusunga kutayika kwa zinthu.
4.Itha kukhala ndi makina onyamula okha, opulumutsa ntchito ndi nthawi
