Intambwe yambere, mbere yo gushyira hasi gufunga SPC, menya neza ko ubutaka buringaniye, bwumye, kandi busukuye.

Intambwe ya kabiri nugushira igorofa ya SPC mubushuhe bwicyumba kugirango ubushyuhe bwagutse nubushyuhe bwo hasi birashobora guhuzwa nibidukikije.Mubisanzwe, nibyiza kuyishiraho nyuma yamasaha 24.Urashobora kandi gushira igipande cyimyenda itagira amazi mbere yo gushiraho.Umuhanda ugomba gutangirira ku mfuruka y'urukuta, kandi muri rusange ukurikiza gahunda uhereye imbere ugana hanze, uhereye ibumoso ugana iburyo.

Intambwe ya gatatu nugushyiramo igikonjo cyumugabo cyanyuma cyigorofa ya kabiri mumurongo wururimi rwumugore wanyuma wigorofa yimbere kuruhande rwa 45 °, hanyuma ukande buhoro kugirango bikore neza.

Mu ntambwe ya kane, mugihe ushyizeho umurongo wa kabiri w'amagorofa, shyiramo tenon yumugabo kuruhande kuruhande rwa tenon yumugore kumurongo wambere wigorofa hanyuma ukande byoroshye kugirango bikore neza;hanyuma ukande kumpera yiburyo hasi ukoresheje inyundo ya reberi, Shyiramo ururimi rwumugabo kuruhande rwibumoso rwa etage mucyerekezo cyururimi rwumugore.

Hanyuma, shyiramo imirongo yo gufunga no gufunga.Ubwubatsi bumaze kurangira, hasi irashobora gusukurwa hamwe na mo yumye.