Yuav ua li cas txiav cov fiberglass tsis muaj cov fiberglass yog cov khoom siv sib xyaw ua ke tau ua los ntawm cov iav zoo heev uas tau tuav ua ke nrog lub resin matrix. Thaum cov fiberglass raug txiav, cov fibers tuaj yeem yog ...
Laser engraving ntawm canvas: cov qauv txheej txheem thiab chaw teeb tsa can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can can canints Laser engraving yog qhov zoo tshaj plaws txoj kev ...