Yuav ua li cas xaiv cov fiberglss txhawb nqa discs
Cov ntsiab lus tseem ceeb ntawm fiberglass discs yog xaiv los ntawm mesh qhov loj me, qhov hnyav ib square metres thiab cov qauv raws li hom, qhov loj me, qhov xav tau ntawm txoj kab ceev ntawm qhov sib tsoo cov khoom sib tsoo log. Feem ntau txiav txim siab los ntawm kev tsim qauv ntawm cov kws tshaj lij hauv kev sib tsoo log Hoobkas thiab los ntawm kev tua blasting.
