1.Q: Kodi mawu anu operekera ndi otani?
A : Timavomereza FOB, CIF, ndi zina zotero. Mukhoza kusankha yomwe ili yabwino kwambiri kapena yotsika mtengo kwa inu.
2.Q:Wchipewa ndi DTY?
A: Jambulani Ulusi Wolemba ndi ulusi womalizidwa womwe umakokedwa mosalekeza kapena munthawi imodzi pamakina opindika ndikupundutsidwa ndi makina opota.
3.Q:Kodi unit "D" ikutanthauza chiyani?
A :D ndi chidule cha DENIER, mafotokozedwe abwino a ulusi wamankhwala. Imatanthawuza kulemera kwa 9000 metres wa silika pa chinyezi chomwe chinabweranso mu magalamu. Mwachitsanzo: 75D ndi yokhuthala kuposa 50D.