Cov ntawv pov tseg siv tau, tshem tawm cov lev nplaum hauv chav ntxuav kom huv
Thaum muaj ntau yam khoom muaj rau cov plua plav tshem tawm ntawm cov chav huv, qhov kev tshem tawm cov hmoov av me me uas nplaum tau nplaum yog cov nplaum. Ua feem ntau ntawm polyethylene (ldpe) thiab dej {{1} {{2} {{2} {{{{{{- ua kom zoo nkauj.
Cov lwg nplaum tau tsim nyog rau kev tso kawm ntawm qhov nkag lossis hauv thaj chaw tsis muaj chav ntxuav ntawm chav dej. Lawv tau txais plua plav los ntawm cov khau los ntawm cov khau thiab lub log, txo qhov kev cuam tshuam ntawm cov plua plav ntawm ib puag ncig hom dej huv. Qhov kev daws teeb meem tshem tawm cov plua plav yooj yim dua cov hmoov av uas tsis tiav thiab tsis muaj peev xwm ntawm lwm lub Mats los tiv thaiv cov hmoov av los ntawm kev kis. Lawv tsim nyog rau kev siv hauv kev lag luam xws li cov khoom siv hluav taws xob, khoos phis tawj, cov cuab yeej siv, khoom siv kho mob, chaw lag luam, thiab kev lag luam nuclear. Daim lev nplaum muaj qib siab ntawm kev xaiv loj loj thiab tuaj yeem tsim kho hauv ntau qhov ntau thiab tsawg thiab thickinges raws li cov qhua tuaj noj mov hauv ntau qhov chaw. Nws yog ib qho 30 {- txheej txheej, txhua daim tuaj yeem tawm ntawm ib tus zuj zus, thiab nws yog cov pa phem-dawb thiab tuaj yeem ua kom ib puag ncig huv siab. Nws yog yooj yim siv thiab ua haujlwm yooj yim, ua rau nws cov cuab yeej uas nyiam tshaj plaws rau cov khoom siv tshem tawm cov khoom siv tshem tawm hauv ntau yam kev lag luam.