| Zamkatimu | 180 ° Protractor |
| Kugulitsa Mfundo | Ubwino wabwino komanso wogulitsa, mtengo wampikisano |
| Mawonekedwe | Mapangidwe ambiri, osavuta komanso osamala |
| Kugwiritsa ntchito | Jambulani mzere wowongoka ndi bwalo, yesani kutalika ndi ngodya |
| Ma parameters | 10cm, 180 ° |
| Chitsimikizo |








