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Taariikhda horumarinta ee birta khafiifka ah ee villa gudaha iyo dibadda

Dhawaan, suuqa guriyeynta ayaa qarxiyay "dabaysha villa birta fudud", arrintan cusub ayaa keentay in dad badan ay fiiro gaar ah u yeeshaan.Guriga birta fudud ayaa ka soo muuqday Shiinaha 1990-meeyadii.Maanta, tignoolajiyada dhismaha birta ayaa qaan gaadhay, oo waddanku kor u qaaday, si rasmi ah ayey u gashay aragtida dadweynaha.Haddaba wadamada shisheeye ee horumaray sidee guri loo dhisaa?Sababtoo ah xoojinta wacyiga deegaanka iyo yaraanta alwaax iyo arrimo kale, dalal badan sida Maraykanka, Japan, Britain, Australia, ayaa si firfircoon u kor u qaadaya codsiga iyo horumarinta guryaha dabaqyada birta ah ee hooseeya.

Horraantii 1960-meeyadii, Australia waxay soo bandhigtay fikradda ah "ku- rakibaadda deg-degga ah ee guryaha la sii hagaajiyey", laakiin sababtoo ah suuqu ma qaan-gaarin, si fiican uma horumarin.1987-kii, qaab-dhismeed bir-dhuuban oo khafiif ah oo xooggan ayaa soo muuqday, iyo qeexida wadajirka ah ee Australia iyo New Zealand, sida / nzs4600 qaab-dhismeed qabow-qaabaysan, ayaa la soo saaray oo la hirgeliyay 1996. Noocan birta ah ayaa leh awood sare.Marka la barbardhigo isla awoodda wax-qaadista ee alwaax, waa 1/3 oo keliya miisaanka alwaax.Dusha sare waa galvanized.Marka la eego xaaladda dib-u-habayn la'aan, cimri dhererku wuxuu gaari karaa 75 sano.

Guryaha birta fudud ayaa sida ugu dhaqsaha badan ugu koraya Maraykanka.1965kii guryaha birta ee da'da yar waxay ku xisaabtameen kaliya 15% suuqa dhismaha ee Maraykanka;Sannadkii 1990-kii waxa ay kor u kacday 53 boqolkiiba, halka 1993 ay kor u kacday 68 boqolkiiba, sannadkii 2000-kiina waxa ay gaadhay 75 boqolkiiba.Habaynta, taxanaha, takhasuska, baayacmushtarka iyo is dhex galka qaybaha iyo qaybaha la deggan yahay ayaa ku dhow 100%.Kiraynta mashiinada dhismaha ee kala duwan, qalabka iyo agabka ayaa aad loo horumariyay, heerka ganacsigu waxa uu gaadhay 40%.

Sanadihii la soo dhaafay, dhismaha nidaamka keel birta fudud oo leh birta qabow-samaysan waa qaab dhismeed cusub oo si degdeg ah uga socda Yurub iyo Ameerika.Waxaa si aad ah loogu isticmaalaa filooyinka, guryaha, goobaha quruxda badan, naadiyada xafiisyada, dugsiyada, isbitaalada, dhismayaasha ganacsiga iyo wixii la mid ah.Australia gudaheeda, ilaa $600 milyan oo guri bir fudud ah ayaa la dhisaa sanad walba 120,000, taasoo ka dhigan qiyaastii 24% qiimaha dhammaan ganacsiga dhismaha ee Australia;Ameerika tirada guryaha lagu dhisay nidaamkan waxay ka boodeen 55,000 bartamihii 1990-meeyadii ilaa 325,000 sanadkii 2000. Waqtigan xaadirka ah, nooca villa birta khafiifka ah ayaa noqday qaabka ugu muhiimsan qaab dhismeedka dhismaha ee wadamada horumaray.


Waqtiga boostada: Mar-18-2021