Ibisobanuro ku musaruro
Ibishoboka bitagira umupaka kubikorwa, ukumva ari mwiza uhereye kubuto. Ihema rya cone-hejuru ni igishushanyo gisanzwe mubikorwa byamahema ahantu hose. Ni ntoya kandi ikurwaho kugirango izane abantu benshi mubikorwa bitandukanye byo hanze, nk'ibirori byumuryango, amamodoka yo hanze yimodoka yo kugaburira hamwe nibindi. Birazwi cyane ukoresheje guhuza amahema atandukanye bituma ibirori bishoboka.
| Ihema ryo hejuru-Kugurisha | |||
| Ubwoko (m) | Eave Uburebure (m) | Uburebure bwa Ridge (m) | Umwirondoro wingenzi (mm) |
| 3 * 3 | 2.5 | 4.46 | 48 * 84 * 3 |
| 4 * 4 | 2.5 | 5.15 | 48 * 84 * 3 |
| 5 * 5 | 2.5 | 5.65 | 48 * 84 * 3 |
| 6 * 6 | 2.5 | 6.1 | 50 * 104 * 3 |
