Gabatarwa ta asali zuwa garma Disc

     Fayil garmakayan aikin gona ne wanda ya ƙunshi babban ruwa a ƙarshen katako.Yawanci ana makala shi ne da tawagar dabbobi ko motoci masu jan ta, amma kuma mutane ne ke tuka ta, kuma ana amfani da ita wajen karya tarkacen kasa da noman ramuka a shirye-shiryen shuka.

Gurman da aka fi sani da garmama sun haɗa da garmama, garma na diski, garmamar rotary da sauran nau'ikan.

Shekaru 5,500 da suka shige, manoma a Mesofotamiya da Masar sun fara ƙoƙarin yin amfani da garma.An yi garma na farko da sassan katako mai siffar Y.An zana ɓangaren reshe na ƙasa a cikin kai mai nuna kai da kuma rassa biyu na sama sannan aka yi hannaye biyu.An daure garma a igiya aka ja ta da sa.Shugaban da aka nuna ya tono wani ƙunƙuntaccen rami mara zurfi a cikin ƙasa.Manoma za su iya amfani da hannaye don fitar da garma.A shekara ta 3000 BC, an inganta garma.An yi tip ɗin ya zama garma mai ƙarfi wanda zai iya karya ƙasa da ƙarfi, kuma ana ƙara farantin ƙasa mai gangare wanda zai iya tura ƙasa zuwa gefe.Garmar Sinawa ta samo asali ne daga rake.Wataƙila har yanzu ana kiransa rake da farko.Bayan an yi amfani da shanu wajen ja da garma, sai a hankali a raba garmar da garmar.Sunan da ya dace na garma ya kasance.Garma ya bayyana a daular Shang kuma an rubuta shi a cikin rubutun kashin baka.Garmar farko sun kasance masu sauƙi kuma sun bayyana tun daga ƙarshen daular Zhou ta Yamma zuwa lokacin bazara da kaka.An fara jan garmar ƙarfe da shanu zuwa gonaki.Garma madaidaici ya bayyana a Daular Han ta Yamma.Sun kasance da garmaho kawai da hannaye.Duk da haka, a wuraren da babu shanun noma, an fi amfani da garma na mataki.An kuma yi amfani da su a yankunan kananan kabilu a Sichuan, Guizhou da sauran larduna.Akwai hakikanin abu tare da garmar tattake.Har ila yau ana kiran garmamar ƙafa.Lokacin amfani da shi, an taka shi da ƙafafu don cimma tasirin juya ƙasa.

Garmar tana da siffa kamar cokali, tsayinsa ya kai ƙafa shida, kuma tana da shingen giciye sama da ƙafa ɗaya.Wurin da hannaye biyu suka kama shi ma yana hannun garma.An sanya ɗan gajeren hannu a gefen hagu.Wurin da Zuoxian ya taka shima yana hannun garma.An sanya ɗan gajeren hannu a gefen hagu.Wurin da kafar hagu ta taka shima garma ne na kwana biyar.Ana iya amfani da shi azaman noman sa na yini ɗaya, amma bai kai zurfin ƙasa ba.