Qhov txawv ntawm tawv thiab tawv
Jan 06, 2023
Cov tawv uas tau txais los ntawm kev siv cov tawv nqaij tsiaj raws li ntuj raw khoom yog hu ua "leather". Tawv tuaj yeem siv los ua tawv khaub ncaws, hnab, khau, khau, siv, rooj zaum thiab lwm yam khoom, ua rau peb lub neej muaj yeeb yuj. Cov tawv nqaij muaj dab tsi? Yuav kom ua tiav lub luag haujlwm ntawm tawv, peb yuav tsum paub dab tsi txog tawv? Kuv yuav tsum xyuam xim rau dab tsi thaum siv tawv? Tom ntej no, peb yuav qhia txhua yam ntawm cov tawv nqaij kom meej, thiab piav qhia txog cov ntsiab lus ntawm tawv.
Qhov txawv ntawm tawv thiab tawv
Daim tawv nqaij, raws li nws lub ntsiab lus txhais tau hais tias, yog hais txog daim tawv nqaij ntawm cov tsiaj. Raws li "tawv", nws yog cov khoom siv los ua cov hnab tawv nqaij, khau thiab lwm yam khoom - tawv. Uas yog hais tias, tsiaj tawv nqaij yog ua rau tawv. Lo lus "tawv" yog ib tug hieroglyph simulating lub xeev qhib ntawm cov tawv nyuj thiab lwm yam tsiaj, uas txhais tau tias hloov qhov nro.
Cov tawv nqaij tuaj yeem hais tias yog ib qho khoom muaj sia. Yuav kom meej meej, daim tawv nqaij yog ib feem ntawm cov tsiaj carcass. Yog tias daim tawv nqaij raug tso tseg, nws yuav rot. Tab sis txawm tias daim tawv nqaij qhuav los tiv thaiv nws los ntawm rotting, nws tsuas yog tawv thiab siv tsis tau. Yog li ntawd, cov tawv nqaij yuav tsum tau ua kom mos thiab tiv thaiv corrosion ua ntej nws tuaj yeem hloov mus rau hauv tawv. Cov txheej txheem no hu ua tanning.
