A cewar bayanai, masu yankan farce sun fara shahara a Amurka da Turai, amma a cikin 1930s, Voss Foucault na Amurka shine farkon wanda ya nemi takardar shaidar. Tun daga wannan lokacin, masu yankan farce sun yadu a duniya.
A zamaninmu, idan muka gyara farcen mu, muna fitar da ƙusoshin. Duk da haka, ƙusoshin ƙusa wani sabon abu ne na karni na 20. To, ta yaya magabata suka gyara farce alhali babu masu yankan farce? A yau, aYaQin Diamond drill mai kawo kayazai gabatar muku da yadda magabata suka gyara farce.
Kamar yadda ake cewa: Mutane suna girma gashi kuma ƙusoshi suna girma cikin 'yanci. A gaskiya ma, tsayin kusoshi yana da alaƙa da shekaru. A cewar bayanai, kusoshi na jarirai suna girma da kusan 0.7 mm a kowane mako. Yayin da suke girma, girman girman su yana ƙaruwa. Bayan manya, ƙusoshi suna girma da matsakaicin 1 zuwa 1.4 mm a kowane mako, amma yawancin mutane suna girma farce bayan shekaru 30. Gudun zai ragu.
Bugu da ƙari, ƙusoshi suna girma da sauri a lokacin rani, jinkirin lokacin hunturu, azumi da safe, da jinkiri da dare. Yin shafa akai-akai zai kuma kara saurin girma, don haka mutanen da suke amfani da farce na hannun dama suna girma da sauri fiye da na hagu. Yawan girma na kowane ƙusa ba daidai ba ne, yawanci tsayin yatsan, da sauri ƙusa ke girma.
Waɗannan ƴan sirrin a zahiri suna gefenmu, amma mutane da yawa ba su gano su ba.
A zamanin yau, idan farcen mutane ya girma, za su yi amfani da yankan farce don gyara su. To ta yaya magabata suka gyara farce alhalin babu masu yankan farce? Editan haruffan Sinanci na yau da kullun ya duba bayanan kuma ya sami amsar.
Kamar yadda bayanai suka nuna, mutane har yanzu suna cikin shekarun birai, kamar dai yadda namun daji a yau, irin su kerkeci, damisa, da damisa, suke nika farautansu akan itace, kututturen bishiya, da duwatsu. Amma, bayan da mutane suka fara amfani da kayan aiki, a zamanin dutse, ana gyara farcen ɗan adam akan tsakuwa ko yashi.
A zamanin Bronze, mutane sun fara goge farcensu akan wukake na tagulla. Daga baya, ɗan adam ya ƙirƙira fayil. Wannan file din yayi nisa da file din na yau, wato akwai wasu kananan barbashi da suke fitowa akan tagulla, sannan ana shafawa. Daga baya, mutane sun gano almakashi.
A halin yanzu, almakashi da aka tona a cikin tsoffin kaburburan daular Han ta Yamma a Luoyang sun shafe fiye da shekaru 2,100. A karni na 6 miladiyya, an gabatar da almakashi zuwa kasar Japan daga kasar Sin kuma aka fara kerawa da amfani da su da yawa a lokacin Edo.
Kafin a datse farce, yana da kyau a yi maganin matattun fata da ƙusa a kan ƙusoshi don inganta ƙusoshi. TheYaQin diamond drillan lulluɓe shi da lu'u-lu'u mai ɗorewa, mai jurewa polycrystalline kuma an sanya shi akan sandar bakin karfe, wanda zai iya cire matattun fata da sauri da inganci akan kusoshi. Hakanan za'a iya amfani dashi don maganin cuticle. Zai iya samun nau'ikan siffofi daban-daban don dacewa da aikin da ake so.
Lokacin aikawa: Agusta-20-2021