Raws li pab pawg," nqaij leeg" yog ua los ntawm txoj xov zoo li xov ua los ntawm lub cim xeeb alloy tsuas yog 20 μm hauv txoj kab uas hla thiab cuam tshuam nrog cov xov paj zoo tib yam. Cov ntaub yog qhov loj me me ntawm cov neeg laus' s lub xib teg thiab nws hnyav nkaus xwb 6.6g.
Thaum" nqaij leeg" yog siv, cov duab cim xeeb alloy sib cog lus thiab hauv cov txheej txheem tsim kom muaj zog uas tuaj yeem nqa tau li 10 kg. Los ntawm kev muab cov ntaub rau koj txhais caj npab thiab nqa lub dumbbells, koj cov leeg siv ib nrab ntau npaum li kev quab yuam. Thaum" nqaij leeg" txuas rau mannequin' s ob txhais ceg, lub mannequin tuaj yeem nyas rau nws ob txhais taw thaum nws cog lus.
Nws raug tshaj tawm tias" nqaij leeg" tsis xav tau lwm lub cav, thiab yog lub teeb hauv qhov hnyav thiab pheej yig. Nws xav pom tias" nqaij leeg" yuav siv nyob rau hauv kev xa khoom sai sai, kev thauj mus los, kev tu mob thiab lwm yam kev siv dag zog lub cev lossis kev cob qhia kom rov muaj zog thiab lwm qhov chaw tom qab siv dav.
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