1. Cov khoom lag luam zoo
(1) Peb 4x Laser Dayferinder tau muaj peev xwm ntsuas ntawm txog li 1000 metres, ua rau nws yooj yim rau koj kom paub
Cov hom phiaj ntev ntev txawm tias rau kev yos hav zoov, kev cob qhia tua tsiaj, lossis kev tshawb fawb sab nraum zoov.
(2) Kev saib dav dav ntawm 6 {. 5 degees tso cai rau koj kom muaj lub teb dav dav ntawm kev pom thiab ntes cov hom phiaj sai dua.
Txawm hais tias nws tau txav nrawm nrawm lossis cov hom phiaj nyob deb, koj tuaj yeem ntes lawv txhua tus mus .
(3) Ua cov ntaub ntawv zoo, cuam tshuam thiab corrosion-resistant, nws tuaj yeem tswj tau ruaj khov nyob rau hauv
Kev nyuaj siab huab cua thiab ib puag ncig ib puag ncig, ua rau koj tus khub txhim khu kev qha
Cim npe nrov: J574a tas-hwj huam phom loj, Tuam Tshoj, tuam ntxhab, Hoobkas, lag luam, pheej yig, kev muag khoom, tsis muaj nqi
