Ministry of Agrichol Lub Dahua bora 2bqs {4 {4 4}} yog nruab nrog cov av laser ntawm cov av nplaum, txhim kho kev ua haujlwm ntawm cov qauv 40% los ntawm 40% piv rau cov qauv tsoos. Cov kev cai tshiab tau hais tias lub npov hluav taws xob tua hluav taws xob zoo li cas hauv cov noob lub thawv muaj lub peev xwm ntawm tsawg dua lossis sib npaug ntawm cov kiv cua yog ± 50PA. Cov qauv ntawv pov thawj los ntawm EU CE tuaj yeem hloov kho 12 hom qoob loo cov noob, thiab International Kev Nkag Tau Siv tau nce 90%.
