Hauv kev lag luam thiab kev ua haujlwm txhua hnub, khau kev nyab xeeb yog cov cuab yeej tseem ceeb los tiv thaiv kev nyab xeeb ntawm cov neeg ua haujlwm ko taw. Lawv tsis tsuas yog tiv thaiv kev raug mob raug mob, tab sis kuj muab kev tiv thaiv tsim nyog raws li kev ua haujlwm tshwj xeeb.
Hom thiab yam ntxwv ntawm nkawm khau kev nyab xeeb
Hlau ntiv taw kev nyab xeeb khau
Hlau ntiv taw kev nyab xeeb khau paub txog lawv cov ntiv taw hlau ruaj khov, uas tuaj yeem tiv thaiv cov ntiv taw los ntawm cov khoom hnyav. Cov khau no yuav tsum ua kom tau raws li cov qauv kev nyab xeeb tshwj xeeb, xws li OSHA cov qauv hauv Tebchaws Meskas lossis EN ISO 20345 cov qauv hauv Europe. Txawm hais tias tus nqi nyob ze rau cov neeg, cov ntiv taw hlau yog hnyav, uas yuav ua rau tsis yooj yim rau cov neeg ua haujlwm uas sawv los yog taug kev mus ntev.
Kev nyab xeeb khau nrog lub taub hau tsis yog hlau
Cov khau tsis yog hlau taub hau muaj kev nyab xeeb dua, thiab lawv feem ntau yog ua los ntawm cov khoom siv hluavtaws muaj zog. Zoo li carbon fiber los yog yas. Cov ntaub ntawv no tsis tsuas yog lub teeb yuag, tab sis kuj tseem muab kev tiv thaiv tib yam yam tsis muaj kev siv hlau, thiab tsim nyog rau ib puag ncig uas yuav tsum tau dhau los ntawm cov khoom siv hlau.
Insulated kev ruaj ntseg khau
Insulated kev nyab xeeb khau yog tsim rau cov neeg uas yuav tsum tau ua hauj lwm nyob rau hauv hluav taws xob ib puag ncig, thiab lawv muab kev tiv thaiv poob siab. Cov khau khiab ntawm cov khau no yog ua los ntawm cov khoom siv tsis zoo los ua kom muaj kev nyab xeeb thaum ua haujlwm hauv qhov chaw muaj kev kub ntxhov.
Puncture pov thawj kev nyab xeeb khau
Cov khau tiv thaiv kev nyab xeeb muaj cov hlau los yog cov hlau tsis yog hlau los tiv thaiv kev sib tsoo ua rau hauv ib leeg, uas tuaj yeem tiv thaiv cov khoom ntse los ntawm kev nkag mus rau ib leeg thiab tiv thaiv ib leeg los ntawm kev puas tsuaj. Cov khau no feem ntau muaj daim ntawv qhia meej meej ntawm tus nplaig lossis hauv phau ntawv qhia.
Yuav ua li cas txheeb xyuas cov khau tiv thaiv kev nyab xeeb
Pierce-proof kev ruaj ntseg khau feem ntau yog cim nrog tus cim tshwj xeeb ntawm tus nplaig lossis cov khoom piav qhia. Piv txwv li, raws li ASTM F2413-18, khau kev nyab xeeb nrog lub cim "PR" qhia txog kev tiv thaiv. Hauv EN ISO 20345: 2022 tus qauv, khau kev nyab xeeb nrog cov cim xws li P, S3, S3L, S3S, S6, S7, S7L thiab S7S kuj muaj cov haujlwm tiv thaiv.
Cov khoom siv Kevlar
Kevlar yog lub zog hluavtaws fiber ntau tsim los ntawm American tuam txhab DuPont, paub txog nws lub teeb yuag, siab zog thiab kub tsis kam. Lub zog ntawm cov khoom siv Kevlar yog ntau dua li cov hlau zoo tib yam, yog li hauv kev nyab xeeb khau, Kevlar yog dav siv los ua cov txheej txheem tsis yog xim hlau, muab kev tiv thaiv zoo heev.
Xaiv cov khau ruaj ntseg zoo
Thaum xaiv cov khau kev nyab xeeb, cov kev xav tau tshwj xeeb ntawm qhov chaw ua haujlwm yuav tsum raug txiav txim siab. Piv txwv li, yog tias muaj hluav taws xob txaus ntshai nyob rau hauv qhov chaw ua haujlwm, ces insulating nkawm khau yog qhov tseem ceeb. Ib yam li ntawd, yog tias qhov chaw ua haujlwm hauv pem teb feem ntau cov khoom ntse, cov khau tiv thaiv kev nyab xeeb yog qhov tsim nyog dua. Tsis tas li ntawd, kev nplij siab thiab kev ua haujlwm ntev ntawm cov khau kuj yog qhov tseem ceeb uas yuav tsum tau xav txog thaum xaiv.
