Umnyango womlilo oqinile uyasinda futhi unamandla. Umgogodla womnyango uzokwenziwa ngokhuni olunomthamo ophezulu, futhi kukhona ungqimba lwezinto ezivimbela umlilo ngemuva kwe-surface veneer, okungekho lula ukuyishisa. Ngokwezidingo zokuvikela umlilo zesiphephelo sesakhiwo esiphakeme, umnyango womlilo wesiphephelo sase-Zhongwo unamabhodi angenamlilo ahlangene kabili, futhi izinyathelo zokuvikela umlilo zangaphakathi nangaphandle zithathwe.