Cov khoom siv niaj hnub xws li paj rwb, ntaub pua chaw thiab tawv tseem yog los ntawm cog thiab tsiaj. Tab sis feem ntau cov khaub ncaws feem ntau yog ua los ntawm cov ntaub ntawv thiab cov tshuaj tau los ntawm fossil fuel-based crude oil.
daim ntaub yog dab tsi?
Cov ntaub yog tsim los ntawm qee yam fiber ntau, feem ntau paj rwb lossis ntaub plaub, lossis hluavtaws xws li rayon lossis polyester. Koj cov khaub ncaws yog tsim los ntawm daim ntaub, ib yam li cov ntaub hauv koj lub tsev, koj lub hnab nyiam nyiam, thiab cov ntaub pua rooj hauv koj chav ua noj.
daim ntaub tuaj qhov twg?
Weaving pom meej ua ntej spinning ntawm cov xov paj; woven fabrics tej zaum originated los ntawm pob tawb weaving. Paj rwb, txhob lo lo ntxhuav, ntaub plaub, thiab flax fibers tau siv los ua cov ntaub ntawv textile hauv Egypt thaum ub; paj rwb tau siv nyob rau hauv Is Nrias teb los ntawm 3000 bce; thiab txhob lo lo ntxhuav yog hais nyob rau hauv Suav chronicles yos mus txog tib lub sij hawm.
Vim li cas tib neeg thiaj pib npog lawv tus kheej?
Cov neeg feem coob tau hais tias 'kev tiv thaiv' yog vim li cas tib neeg pib npog lawv qhov ntiag tug. … Cov tsiaj uas nyob hauv lub ntiaj teb no ntev dua tib neeg, tsis tau hloov zuj zus mus ua khaub ncaws - txawm tias nws yuav them taus lawv li kev tiv thaiv tib yam.
lub teb chaws twg tsis hnav khaub ncaws?
Cov pawg neeg Korowai, tseem hu ua Kolufo hauv Papua New Guinea, tsis hnav khaub ncaws lossis koteka (poj niam/poj niam cover).
