Hordhac ku saabsan qaab dhismeedka guud ee safarka foomamka
Sababtooyinka socotada ee loogu talagalay qaab-dhismeedka 'Lianggong', qaybaha ugu muhiimsan waa:
Nidaamka Trass-ka ugu waaweyn
Nidaamka ugu weyn ee truss inta badan waxaa ka mid ah:
Kor u sarreeya, chord, spord, adhijir udgoon leh usha cajiibka ah ee cajiibka ah, usha toosan, albaabka albaabka iwm.
Qaadista nidaamka taageerada hoose
Nidaamka galka hoose ee galka ah wuxuu ka kooban yahay nidaamka hoose, nambarka taageerada hore, nambarka taageerada gadaal, caalayaasha oishiinka iwm.
Foomka iyo Nidaamka Taageerada
Nidaamka qaabka iyo taageerada taageerada waa qaybaha ugu muhiimsan ee socotada
Nidaamka Walig iyo anchor
Nidaamka lugaynta iyo xijaabka ayaa inta badan ka kooban
Barxadda gadaal, guntin giraangiraha go'an, socodka socodka, barkinta birta, lifaaqa lugaynta iwm.
Nidaamka kor u qaadida
Tusaalaha mashruuca ee nidaamka kor u qaadida
Isku xirka dadka sare iyo kan hoose.