Awon akole re pe orisirisi lati  ero si imo -- lati eru,  ndibo , ati eko si lilo lati ibikan si ibikan, owo oya ati ifowopamo.. 
Ọwọ́ wákàtí fún déédé wákàtí mejila aago àfọwọ́ṣe ń yípo  360° ní  àwọn wákàtí mejila (ìṣẹ́jú 720) tàbí 0.5° fún ìṣẹ́jú kan.. 