Qaybaha balaastigga ah ee biyaha
1. Frient-priver-ka-hoose ee heerkulka ku saleysan (priver-ka)
1) iska caabbinta kiimikada ee wanaagsan.
2) iska caabin aad u wanaagsan oo ku saabsan xoqida ciddiyaha.
3) Dhaqanka weyn ee laqabsashada.
4) Sababta nabdoonaanta sare iyo hada jaban.
2. rinjiga midabka heerkulka-hoose ee ku saleysan
1) Sababta nabdoonaanta sare iyo ereyada hoose.
2) iska caabbinta kiimikada oo aad u fiican iyo iska caabin cimilo.
3) Waxqabadka dhismaha wanaagsan.
4) Qabanqaaca wanaagsan ee budada aluminium iyo budada luul.
5) muuqaal aad u wanaagsan.