Keeb Kwm NtawmHluav Taws Sprinklers?
Cov tshuaj tua hluav tawsmuaj keeb kwm ntev thiab ntxim nyiam uas rov qab mus rau thaum ntxov 1800s. Qhov tseeb, thawj daim ntawv patent tau tso cai rau ib tus neeg tsim khoom Asmeskas hu ua Philip Pratt hauv xyoo 1872. Los ntawm qhov ntawd, kev txhim kho cov hluav taws kub hnyiab tau txuas ntxiv mus thiab txhim kho.
Thawj qhov kev siv lub tshuab nqus dej tau tsim los ntawm Henry S. Parmalee hauv xyoo 1874, thiab nws tau teeb tsa hauv Mercantile Safe Deposit Company hauv New York City. Parmalee txoj kev ua tau zoo, thiab nws tau txais kev lees paub thoob plaws lub tebchaws. Los ntawm lig 1800s, cov tuam txhab pov hwm tau muab cov nyiaj cheb rau cov tsev nrog cov tshuab nqus dej - ib qho kev sib txuas mus rau niaj hnub no.
Thoob plaws hauv lub xyoo pua 20th, cov tshuab hluav taws xob hluav taws xob txuas ntxiv txhim kho thiab nthuav dav ntxiv. Kev tsim kho tshiab suav nrog kev siv cov khoom siv tshiab, xws li iav qhov muag teev es tsis txhob siv lub tawb hlau, thiab kev tsim kho cov tshuab computer uas tuaj yeem ntes thiab teb cov hluav taws kub sai dua li yav dhau los.
Niaj hnub no, cov hluav taws kub hnyiab yog qhov tseem ceeb ntawm kev nyab xeeb hauv kev lag luam thiab cov tsev nyob thoob plaws ntiaj teb. Lawv cawm txoj sia, tiv thaiv tej vaj tse, thiab muab kev thaj yeeb rau tib neeg. Nws nyuaj rau xav txog tias lub ntiaj teb yuav zoo li cas yog tias tsis muaj lawv. Peb tshuav nuj nqis ua tsaug rau cov neeg tsim khoom thiab cov neeg tsim khoom tshiab uas tau mob siab rau lawv lub sijhawm thiab lub zog los tsim cov thev naus laus zis no.
E-mail:sale6@forede.com (Karina Xu)
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