Intangiriro kumiterere rusange yurupapuro
Shira ibicuruzwa byateguwe na Lianggong imirimo, ibice byingenzi ni:
1. Sisitemu nyamukuru
Gahunda nyamukuru ya Truss ikubiyemo ahanini:
Hejuru ya Chord, Hasi Chord, Imbere Oblique Rod InsoReteri Imbere Inkoni, inkoni ihagaritse, umuryango ETC.
2. Gushiraho sisitemu yo gushyigikira
Hasi ya Bracket ifite sisitemu cyane cyane igizwe na sisitemu yo hepfo, inkunga yimbere, igiterane cyinyuma, gushyigikira urumuri rwinyuma, hamater oist etc.
3. Imiterere na sisitemu yo gushyigikira
Sisitemu yo gushiraho na sisitemu yo gushyigikira nibice byingenzi byurupapuro
4. Insanganyamatsiko na Sthor Sisitemu
Kugenda na sisitemu yo kurambagiza cyane bigizwe ahanini
Inkongo yinyuma, Buckle Ikiziga Cyagenwe, Kugenda, Ibyuma Byinshi
5. Sisitemu yo guterura
Urugero rwumushinga uterura sisitemu
Guhuza hejuru no hepfo.