Gariiradda mushaharka Tani waa nooc firfircoon oo gariiradda lacag bixinta ah, xawaaraha gariiradda lacag bixinta waxaa la jaan qaadi kara xawaaraha sawirka mashiinka sawirida siliga, faa'iidada ayaa ah in aysan sababin in siliggu isku cadaadiyo midba midka kale inta lagu jiro nidaamka bixinta, taasoo ka dhigaysa mushaharka gariiradda siman.