Wokhala ndi mwayi wogulitsa wogulitsa ndi wogulitsa ku China, mapepala onse ogulitsa omwe amagulitsa adapereka mfundo zapadziko lonse lapansi, ndipo mutha kukhala otsimikizika moyenera. Ngati simupeza ma sheet anu omwe amagulitsidwa patsamba lathu lazogulitsa, mutha kulumikizana nafe, titha kupereka ntchito zokonda.