Kuonekwa kwezvigadzirwa zvegirazi zvinogona kurondwa kumashure kuMesopotamia makore 3,600 apfuura, asi vamwe vanhu vanoti zvinogona kunge zvakangofanana nezvigadzirwa zvegirazi zveEgypt.Humwe humbowo hwekuchera matongo hunoratidza kuti zvigadzirwa zvegirazi zvekutanga zvakaonekwa nhasi kuchamhembe kweSyria.Nzvimbo dzemahombekombe, dzinotongwa neMesopotamians kana maEjipitori Zvigadzirwa zvegirazi zvekutanga zvaive magirazi mabheji akaonekwa pakati pechiuru chechipiri chemireniyamu BC, izvo zvinogona kunge zvakangoitika netsaona nekugadzirwa kwesimbi pakutanga, kana zvigadzirwa zvegirazi zvakaitwa nenzira dzakafanana mukugadzira. pendi yehari.

Mushure mekuonekwa kwezvigadzirwa zvegirazi, chave chiri chinhu cheumbozha.Kusvika pakupera kweBronze Age, kushandiswa kwegirazi kwekutanga nevanhu kwaive kurinyungudutsa kushongedza mavhasi.

Izvo zvakakosha zvegirazi rakajairwa silicon dioxide, sodium carbonate uye calcium carbonate.Magirazi mazhinji anonyunguduka pa1400-1600 madhigirii Fahrenheit.Nekukurumidza kukura kwesainzi uye tekinoroji nzanga, girazi art, seyakakosha fomu yehunyanzvi, inopawo hupenyu hwevanhu uye Art dhizaini yakaunza shanduko yekuchinja.

Mukugadzirwa kwezvishongo zvemazuva ano, girazi zvakare chimwe chezvinhu zvinokosha.Izvo zvakakosha zvezvinhu zvegirazi zvinopa basa zvakanyanya manzwiro anoshamisa.Iri pachena, harina kusimba, rakaoma, uye rine mavara.Inoratidzika kunge yakajairika uye senyika iri kure.Inogona kuvapo sebhora diki regirazi, uye inogona kutakurwa sechivako chakanakisa.Wakambobata bhiza regirazi zvakasimba muhuduku hwako kuratidza chitarisiko chinofadza uye chinodiwa?