Nhoroondo yebadza haisi pfupi.Kubva kare vanhu vachimera vhudzi, vanga vachitsvaga nzira dzekurigera, izvo zvakangofanana nekuti vanhu vagara vachiedza kutsvaga nzira yekuveura nayo.

MaGiriki ekare vaigera ndebvu kuti vasataridzike sevatorwa.Alexander the Great aitenda kuti zviso zvendebvu zvaipa hunyanzvi hwekurwa, sezvo vadzivisi vaigona kubata bvudzi.Chero chikonzero nei, kuuya kwerazoro yepakutanga inogona kuverengerwa kumashure kwe prehistoric nguva, asi haina kuzosvika zvakanyanya gare gare, mu18.^thmuSheffield, England, kuti nhoroondo yechisvo sezvatinoiziva nhasi yakatanga chaizvoizvo.

Mumakore ekuma1700 nema1800s Sheffield yaizivikanwa seguta rekucheka repasirese, uye nepo kazhinji isu tichinzvenga kusanganisa midziyo yesirivha neyekuveura ndebvu, ndiko kwakagadzirwawo badza remazuva ano rakatwasuka.Kunyange zvakadaro, maredza aya, kunyange zvazvo ari nani pasina mubvunzo kupfuura akaatangira, akanga asati amboti kurei, achidhura, uye akaoma kushandisa nokuchengeta.Kazhinji, panguva iyi, reza akanga achiri kunyanya kushandiswa kwevageri vane unyanzvi.Zvadaro, mukupera kwe19^thzana remakore, kuiswa kwerudzi rutsva rwerazori kwakachinja zvose.

Mareza okutanga ekudzivirira akatangwa muUnited States muna 1880. Aya mareza okutanga ekudzivirira aiva nedivi rimwe uye akafanana nebadza duku, uye akanga ane chinorinda chesimbi kumucheto kunobatsira kudzivirira kubva pakuchekwa.Ipapo, muna 1895, Mambo C. Gillette akatanga vhezheni yake amene yerazoro yokudzivirira, nemusiyano mukuru uri kutangwa kwechisvo chinoraswa, chine mativi maviri.Mashizha eGilette aive akachipa, akachipa zvekuti kazhinji kwaidhura kuedza kuchengetedza mablades ekare ekuchengetedza reza pane kutenga mashizha matsva.