Npaum li cas cov hwm square acrylic thawv?

Qhov no yog cov acrylic ua cov nplaum tsim uas yog cov khoom ruaj khov thiab hnav tsis haum. Lub thawv ntawv yog nyob rau hauv cov duab square. Lub txheej sab nraud yog ua los ntawm cov acrylic thiab cov kws pleev xim hauv cov hlaws dawb nrog lub ntsej muag kub kom ua rau lub thawv zoo nkauj dua thiab cov khoom kim heev. Muaj ntau qhov ntau thiab tsawg ntawm 30g thiab 50g. Yuav siv nrog tib tus tsim airless twj lub raj mis hauv peb lub tuam txhab los ua tag nrho cov teeb.