07-21
Cov chaw tsim khoom thiab cov neeg ua lag luam thoob ntiaj teb ntsib teeb meem sib xws: kev sib npaug ntawm kev nthuav qhia zoo nkauj thiab kev tiv thaiv kev nyab xeeb ntawm cov khoom siv hauv cov ntawv thov pob tshab. Txhawm rau daws qhov teeb meem no, peb lub hom phiaj tsim cov thawv acrylic (PMMA) thiab cov thawv polycarbonate (PC) phaj uas muaj qhov chaw ua haujlwm sib txawv. Nrog cov qauv pob tshab siab heev, kev hloov kho yooj yim, kev ua tau zoo tiv thaiv lub cev zoo heev thiab kev hloov pauv hauv kev lag luam, ob qho khoom lag luam tsom mus rau cov xwm txheej tso saib muaj nqis thiab cov xwm txheej kev nyab xeeb hauv kev lag luam, muab cov kev daws teeb meem pob tshab rau kev muag khoom, kev nthuav qhia, kev tsim khoom siv hluav taws xob thiab kev tsim khoom lag luam.