Kalōk joñan rafter ko im angle ko
Jouj im kwalok joñan ko rej aikuji ilo milimita
X - depakpak in mweo
Y - utiej in mweo
C - joñan an lap
Z - joñan ettol jen tōrerein board eo ñan jinoin mōttan eo
B - Rafter width
ñan bōk melele
Elañe ejelok rafters, juon roof ejjab maroñ in kalek.
Ilo juon gable roof structure, ej aikuj in kōllaajrake joñan rafters ko, cut angle ko im groove ko.
Rafter calculation program eo ej kōmmane ñan men in.
Ekkar ñan joñan depakpak in mweo, joñan utiej jen jinoin ñan tōrerein mweo im joñan depakpak in overhang eo, joñan depakpak in rafters ko im joñan ettol ñan groove eo rej bwine.
Program in enaj barāinwōt kōmman juon pija in rafters ko ippāñ joñan ko. Menin enaj lukkun emman ñan ro rej pepe in kōmman rafters kin peir make.