Polyvinyl alcohol (PVA) yog ib qho ntawm cov khoom tseem ceeb tshaj plaws uas pom hauv kev lag luam coding vim nws cov yam ntxwv txuas thiab nplij siab zoo li thiab nws qhov kev hloov pauv. Txhawm rau siv PVA hauv cov txheej txheem, nws yog qhov zoo kom suav nrog hom substrate, huab cua, thiab cov yam ntxwv tshwj xeeb uas xav tau los ntawm cov txheej txheem. Txhua yam pib nrog cov txheej txheem zoo rau kev thov xws li kev sib xyaw thiab sijhawm kho tom qab thov. Peb cov neeg siv khoom tuaj yeem tsom mus rau cov txheej txheem thov kom raug rau kev siv PVA uas ruaj khov thiab zoo nkauj hauv lawv cov txheej txheem thov vim peb qhov kev paub thiab PVA zoo.