Plexiglass tus cwj pwm feem ntau muaj zog dua li iav zoo tib yam.Nws qhov ntom ntom, txawm tias ib nrab ntawm cov iav zoo tib yam, tsis yooj yim tawg li iav.Nws pob tshab yog zoo heev, crystal ntshiab, thiab muaj ib tug zoo thermoplasticity.Nws tuaj yeem ua kom sov rau hauv iav pas nrig, iav raj lossis iav phaj ...
Nyeem ntxiv