Re etsa lintho ka tieo hore na ho tlisa liphoso tsa ho itlhopahisoa, boleng bo ntšetsang bareki - limela tse metlae tse tšoeu tsa Sngolino - Xian Prlingking Co ,. Joale re kile ra ba le libaka tse etsang lintho tse eketsehileng tse fetang tse 100. Kahoo re ka tiisa nako e khutšoane ea lead lead leano la boleng bo phahameng. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Amerika Boroa, ea Rotterdam, Boston, Or. Re tla thabela ho u fa qotsulo ea ho amohela litlhaloso tse qaqileng. Re na le lintho tse ikhethang tsa ho kopana le eng kapa eng ea li-re -uries tsa hau, re lebelletse ho amohela bongoli ba hau haufinyane le tšepo ea ho sebetsa hammoho ka bokamoso. Rea u amohela ho sheba mokhatlo oa rona.