Kev lees txais ntawm cov khoom seem ntawm lub portal https://vtortehmix.ru/ yog qhov muaj feem cuam tshuam, txij li cov ntaub ntawv tso cai rau koj kom txuag tau ntawm cov khoom siv ntuj vim yog qhov zoo li yuav rov ua nws. Kev yuav khoom thiab xa tawm cov hlau tsis muaj hlau yog qhov xav tau niaj hnub no. Vim li cas qhov kev pabcuam zoo li no hauv kev xav tau, koj yuav tsum paub dab tsi ua ntej yuav xa cov khoom raw? Nws yog qhov tseem ceeb los hais txog tias pawg no koom nrog cov khoom xws li tooj dag, zinc, magnesium thiab lwm yam. Lawv hnav thiab hnyav dua. Nws yog ib qho tseem ceeb kom nco ntsoov cov ntaub ntawv raw ntawm lub qhov muaj nqi. Cov kev daws teeb meem muaj qhov chaw tshwj xeeb hauv kev lag luam aviation vim tias, nrog qee tus nqi ntawm cov hlau nyob hauv lawv cov muaj pes tsawg leeg, lawv muaj qhov siab tshaj tawm tsis kam mus ua xeb. Cov ntsuas hluav taws xob tau ua tiav tau zoo hauv kev tsim cov ntawv thov rau cov kais dej, kav dej thiab vov tsev. Cov ntsiab lus zoo li no suav hais tias yog qhov tseem ceeb rau cov khoom siv hluav taws xob, vim tias qhov no tsis muaj cov khoom sib nqus.
Cov khoom siv uas nquag siv tshaj plaws yog aluminium, uas nyob qib thib peb hauv cov npe ntawm cov ntaub ntawv feem ntau rov ua dua tshiab. Qhov no tau dhau los ua lub hauv paus vim li cas kev ua cov txheej txheem rau cov khoom siv raw no tau hloov tas li.
Thaum nws los txog rau kev rov ua dua tshiab, nws tsis yog qhov yooj yim txheej txheem vim tias ntau lub ntsiab muaj rau hauv pawg no. Lawm, lawv tau ua kev cai los ntawm txhua lwm yam. Nws tsim nyog sau tias hom nrov tshaj plaws yog kev ua cov roj teeb vim cov khoom lag luam no muaj txaus tus nqi ntawm cov khoom siv raw khoom xws li cov hlau lead.
