Lub qhov dej cib yog dab tsi?
| Cib blocks tau tsim los ntawm ntau yam khoom siv ntau xyoo, suav nrog wicker thiab ntawv pulp. Niaj hnub no, lawv feem ntau yog ua los ntawm hlau lossis yas. | ||||
Meth | ||||
| Ntau yam hlau tau siv los ua cov av cib, suav nrog hlau thiab txhuas. Cov ntawv hlau tau siv nyob rau xyoo 19th; vim nws pheej yig, nplua nuj thiab muaj zog. Tsis ntev los no, aluminium tau dhau los ua cov hlau xaiv rau ntau lub hoods vim tias nws yog lub teeb yuag thiab ruaj khov, ua rau nws ntau ergonomic. | ||||
yas | ||||
 | Feem ntau cov hoses pom niaj hnub no yog ua los ntawm cov yas, tshwj xeeb tshaj yog polyethylene (PE), cov yas ntau tshaj plaws. PE, zoo li yas, tuaj yeem ua nrog cov khoom sib txawv. High density polyethylene yog siv rau lub zog xav tau rau hods. Qhov no yog cov khoom siv muaj zog heev uas yuav luag tsis tuaj yeem tawg. Nws tseem tuaj yeem ua tau molded rau hauv yuav luag txhua yam, yog li nws tuaj yeem ua tau raws li ib daim ntawv nrog cov yam ntxwv ntxiv. | |||
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Tsob ntoo | ||||
 | Tsiv tes yog feem ntau muag nyias ntawm lub taub hau txav thiab yog ua los ntawm ntoo; feem ntau yog tshauv. Tshauv yog ruaj thiab tsis tshua kim tshaj li hardwoods piv. Nws kuj yog hloov tau, cuam tshuam thiab sib cais resistant, ua rau nws zoo tagnrho rau cov cuab yeej xws li rub. | |||
Ntxiv
in
