| Zamkatimu | Protractor yokhala ndi chogwirizira chosinthira |
| Kugulitsa Mfundo | |
| Mawonekedwe | kapangidwe kosavuta, kutalika kosiyana ndi ngodya ziwiri zosankha |
| Kugwiritsa ntchito | Jambulani mzere wowongoka ndikuyesa kutalika kwake |
| Ma parameters | 7cm-0-7cm, 11cm-0-11cm |
| Chitsimikizo |
