Kab lus no hais txog qhov kev sib tw tseem ceeb hauv kev lag luam txiv hmab txiv ntoo thiab zaub: tiv thaiv cov khoom crushing hauv cov thawv yas thaum thauj thiab khaws cia. Nws qhia txog 6 lub tswv yim tswv yim: xaiv cov khoom tsim nyog (HDPE / PP, 2-3mm thickness, zaub mov-qib rau delicates), ua ntej lub thawv tsim (txhim kho cov npoo, perforations, anti-slip bases), tswj pawg qhov siab / qhov hnyav, siv cov khoom faib / cov kab, optimizing loading / unloading, thiab kev soj ntsuam lub thawv tsis tu ncua. Los ntawm kev sib txuas cov txheej txheem no, cov lag luam tuaj yeem txo cov khoom poob, khaws cov khoom zoo, thiab ua kom cov khoom xa tuaj tshiab rau cov neeg siv khoom.