Thaum twg wrought hlau siv?

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Thaum twg wrought hlau siv?
Thaum twg wrought hlau siv?

Video: Thaum twg wrought hlau siv?

Video: Thaum twg wrought hlau siv?
Video: Niam txiv lub neej zoo yog 2 leeg sib hlub. 2024, Hlis ntuj nqeg
Anonim

Wrought hlau tau siv thaum ntxov li 2000 BC nyob rau hauv Anatolian ceg av qab teb (tam sim no Qaib ntxhw), thiab nws tau dav siv nyob rau hauv kev tsim kho thoob plaws hauv lub xyoo pua 19th. Kev nce qib hauv metallurgy nyob rau hauv lub xyoo pua 20th, txawm li cas los xij, tau ua kom yooj yim dua thiab tsis tshua kim rau tshuab-daim ntawv thiab vuam hlau qhov chaw.

Thaum twg lawv tso tseg tsis ua hlau?

Vim cov hlau me me yog pheej yig dua thiab yooj yim rau cov khoom tsim tawm, cov khoom siv hlau wrought maj mam ploj mus, kom txog rau thaum cov hlau ua haujlwm kawg tau tso tseg hauv xyoo 1970Wrought hlau tsis tau tsim rau kev lag luam nplai, tab sis tseem ua rau kev rov ua dua, kho dua tshiab thiab kev txuag ntawm keeb kwm hlau ua haujlwm.

Thaum twg wrought hlau rooj tog siv thawj zaug?

Blacksmiths hauv Asmeskas tau nrov wrought hlau thaum xyoo 1920, thiab nws tseem nyob hauv vogue kom txog rau thaum Eisenhower era, thaum sib dua, pheej yig dua, xeb-pov thawj txhuas ntes tau. Daim duab: Lub tsev noj mov S alterini thaum ntxov xyoo pua 20th muaj cov ko taw nkhaus uas tsis nkag rau hauv av.

Thaum twg wrought hlau hloov cam khwb cia?

Nws tau siv dav thoob plaws hauv lub xyoo pua 19th hauv kev tsim vaj tsev, tab sis tau hloov los ntawm cov hlau hauv 20th Century. Niaj hnub no, wrought hlau yog siv feem ntau rau cov ntaub ntawv kho kom zoo nkauj.

Kuv tuaj yeem qhia tau li cas yog tias ib yam dab tsi yog hlau?

Wrought hlau, ua tsis muaj carbon, yuav pov ntev. Cov no muaj ob peb ceg. Puddled wrought hlau zoo li muaj lub teeb liab liab thaum hlau ua rau dawb sparks. Ob qho tib si wrought thiab ntshiab hlau ci tib yam.

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