Tus Degradation Ntawm Lub Cutlery Yuav Tsum Tau Tsis Txaus Lawm?

Tsis tau. Txhua yam khoom yuav tsum tsis txhob muab pov tseg, thiab yuav tsum koom tes nrog kev faib tawm thiab rov ua dua kom txo tau cov khoom siv pov tseg thiab tej huab cua phem. Txawm hais tias qhov khoom yog degradable, nws yuav tsum tau muab pov tseg los yog siv tau. Nws yog dev paus mus tham txog qhov degradation tus nqi ntawm cov khoom thiab cov khoom degradation tom qab tawm hauv kev tej yam puag ncig.