U ôron mze u rafter man angle
We a rumun yô, tese mze u i gbe u a kar la. ken milimita
X - Mzehemen u iyou
Y - mze u iyou
C - mzehemen u sha ityough
Z - ica i gba hen kpe u ikyônough ki torough zan zan mhii u kwagh u i gber la .
B - Mzehemen u Rafter
i ter
Aluer u ngu a ikyav mbi tswamev ga yô, a kera maa iyou ga.
Aluer u ngu a ikyav mbi tswamev mbi i yer ér gable roof la yô, gba u a ôr mze u ikyav mbi tswamev mbi i yer ér rafters la, shi a cir angle man ikyav mbi tswamev mbi i yer ér grooves la.
I er porogeram u ôron kwagh u rafter la sha ci u kwagh ne.
Ka i har sha mze u iyou la, man mze u i hii sha mhii u iyou la zan zan i ar sha ityough ki iyou la man mze u i cir sha mi la, man mze u ikyav mbi tswamev mbi i cir sha mi la man mze u ikyav mbi tswamev mbi i cir sha mi la.
Shi porogeram la una tese ikyav i ikyav mbi tswamev mbi i yer ér rafters la, mbi mbi lu a ikyav mbi tswamev yô. Kwagh ne una hemba lun mba ve tsough u eren ikyav mbi tswamev sha ave ve la iwasen.