Cov menyuam yaus tau pab txhawb rau kev lag luam kiv puag ncig li cas?
Cov menyuam yaus tau pab txhawb rau kev lag luam kiv puag ncig li cas?

Video: Cov menyuam yaus tau pab txhawb rau kev lag luam kiv puag ncig li cas?

Video: Cov menyuam yaus tau pab txhawb rau kev lag luam kiv puag ncig li cas?
Video: keeb thawj xeeb tsa kev lag luam rau haiv hmoob kom muaj noj muaj haus 2024, Hlis ntuj nqeg
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Cov menyuam yaus tau ua txhua yam haujlwm nrog rau kev ua haujlwm ntawm cov tshuab hauv cov chaw tsim khoom, muag cov ntawv xov xwm ntawm cov ces kaum ntawm txoj kev, rhuav tshem cov thee ntawm cov thee mines, thiab raws li lub qhov cub tawg. Qee zaum cov menyuam tau nyiam cov neeg laus vim lawv tau me me thiab tuaj yeem yooj yim haum ntawm cov tshuab thiab rau hauv qhov chaw me me.

Ib yam li ntawd, kev ua haujlwm menyuam yaus tau pab txhawb rau kev lag luam kiv puag ncig li cas?

Hauv particular, lub Kev Lag Luam Kev Lag Luam cuam tshuam rau lub neej ntawm cov neeg ua haujlwm hauv chav kawm thiab menyuam yaus ntawm muaj zej zog. Me nyuam ua hauj lwm yog ib qho feature hauv muaj kev sib raug zoo li menyuam yaus raws li cov tub ntxhais hluas muaj hnub nyoog plaub xyoos feem ntau tau ua haujlwm hauv cov chaw tsim khoom thiab cov mines uas tsim thaum lub sijhawm.

Ib sab saum toj no, tus menyuam khwv tau npaum li cas hauv Industrial Revolution? Cov menyuam yaus tau them tsawg dua 10 xees ib teev rau kaum plaub teev hnub ua haujlwm. Lawv tau siv rau cov haujlwm yooj yim, tsis muaj kev txawj ntse. Ntau tus menyuam muaj lub cev deformities vim tsis muaj kev tawm dag zog thiab tshav ntuj. Kev siv ntawm menyuam yaus raws li kev ua haujlwm ntev ntev nrog cov nyiaj them me me ua rau tsim cov koomhaum ua haujlwm.

Ib yam li ntawd, kev lag luam puas cuam tshuam rau tsev neeg li cas?

Kev lag luam ua rau muaj kuab paug ntau ntxiv vim cov roj fossil xws li cov thee tau hlawv ntau heev thaum siv rau hauv cov tshuab ua lag luam. Nws kuj tau ua rau muaj kev nce hauv kev ua haujlwm menyuam yaus, vim tias ntau thiab ntau cov menyuam yaus hnub nyoog qis dua tau ua haujlwm los pab txhawb lawv. tsev neeg.

Cov menyuam yaus txoj haujlwm hauv kev lag luam txawv li cas los ntawm lawv qhov kev pabcuam thaum ntxov rau tsev neeg kev lag luam?

Hauv factories, cov menyuam ua haujlwm nyob rau hauv cov saib xyuas, qhov uas lawv tau ua ntej ua haujlwm ntawm tsev neeg . Poj niam thiab menyuam yaus feem ntau tau them tib yam li cov txiv neej hauv txoj haujlwm zoo sib xws.

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