Birta toogashada/dharka
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Xabad bir ah
Rasaasta birta ahwaxa laga sameeyaa birta kaarboon iyadoo dhalaalaysa oo samaysanaysa.Waxa si weyn loogu isticmaalaa nadiifinta, caddaynta, diyaarinta dusha sare iyo toogashada.Its size kala duwan ayaa go'aamin doona ultiate dhammeeyey la gaaray oogada sare ee workpiece in la qarxiyo.
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Birta birta ah
Birta birta ahwaa la jejebiyey tallaalka birta kaarboonka ee sarreeya, oo loo heli karo saddex nooc oo adag.oo leh qaab xagal ah, waxay ka saaraysaa wasakhaynta dusha sare iyo dahaarka si dhakhso ah oo waxtar leh.
