PVA 1799: Kev ua tau zoo hauv cov txheej txheem rau kev ua kom ruaj khov thiab yoog raws

Tag nrho Cov Qeb
Ua kom zoo dua adhesion rau cov txheej txheem ntev.

Ua kom zoo dua adhesion rau cov txheej txheem ntev.

High adhesion yam ntxwv ntawm PVA 1799 lav tias cov txheej yuav ruaj khov rau ntawm qhov chaw, txo kev kho thiab ua kom lub neej ntev ntawm cov txheej. Qhov no yog qhov tshwj xeeb tshaj yog zoo rau kev lag luam uas muaj zog yog qhov tseem ceeb xws li kev tsim kho thiab tsheb.
Muaj peev xwm ntau yam Lwm Cov Txheej Txheem.

Muaj peev xwm ntau yam Lwm Cov Txheej Txheem.

PVA 1799 tuaj yeem siv rau hauv ntau yam txheej txheej xws li cov hniav zoo nkauj, tiv thaiv, thiab txheej txheej. Nws qhov yooj yim muab lub sijhawm rau cov tuam txhab tsim khoom tshiab thiab muab lwm cov kev daws teeb meem tsom rau kev lag luam tshwj xeeb thiab txhim kho ntau yam ntawm cov khoom thiab cov neeg siv khoom txaus siab.