Puas yog lawv siv pob ntseg hauv ww2?

Cov txheej txheem:

Puas yog lawv siv pob ntseg hauv ww2?
Puas yog lawv siv pob ntseg hauv ww2?
Anonim

Cov tub rog coj tus nqi tsim kho kev tiv thaiv kev hnov lus, tshwj xeeb nrog Mallock-Armstrong earplugs siv hauv WWI thiab V-51R pob ntseg siv hauv WWII. … Sib sib zog nqus, qeeb-rov qab polymeric foam earplugs muab kev tiv thaiv siab tshaj plaws los ntawm lub suab nrov.

Thaum twg tub rog pib siv pob ntseg?

Nrog rau cov chav 'lub zog poob qis vim tsis hnov lus, cov thawj coj tau pib paub tias kev npaj hnov lus yog ib qho tseem ceeb ntawm chav tsev ua haujlwm hauv kev sib ntaus sib tua. Tag nrho cov tub rog xa tawm yog li ntawd tau muab lub pob ntseg rau 2004.

Pob tub rog hnav pob ntseg hauv kev sib ntaus sib tua?

Cov tub rog feem ntau yog tawm lub pob ntseg ua npuas ncauj los tiv thaiv kev hnov lus, tab sis ob peb hnav lub pob ntseg tiv thaiv vim nws thaiv txhua lub suab nrov, ua rau nyuaj rau hnov cov lus txib thiab mloog ob tus phooj ywg thiab yeeb ncuab pab tub rog txav.

Cov tub rog puas siv pob ntseg?

Tub rog hnav pob ntseg thaum nyob tom teb. Cov tub rog tuaj yeem xaiv hnav lub ntsej muag ua npuas ncauj, Triple-thiab quad-flange earplugs, tactical earplugs, suab nrov muffs, thiab TCAPS. TCAPS yog cov cuab yeej tiv thaiv pob ntseg zoo tshaj plaws rau cov tub rog thiab Asmeskas Tub Rog siv lawv ntau zaus.

Pob ww2 vets tsis hnov lus?

Txij thaum Tsov Rog Ntiaj Teb Zaum II thiab dhau los ntawm Nyab Laj, kev hnov lus puas tau ua rau muaj kev tsis taus. Txawm hais tias txhua yam uas tau kawm ntau xyoo dhau los, cov tub rog Asmeskas tau raug kev puas tsuaj ntawm kev hnov lus txogtus nqi tib yam li World War II vets, raws li VA cov duab. … Txawm li cas los xij, kev tiv thaiv kev hnov lus muaj qhov txwv.

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