Umdwebo ovamileko
Idatha yokuthoma
Ububanzi be-rafter 150 mm
Isazelo 500 mm
Ububanzi bendlu ngokuya ngobukhulu bangaphandle 6000 mm
Ukuphakama ukusuka ekuthomeni kophahla ukuya emgodini 2000 mm
Ubude ukuya ekuphakameni kwe-rafter 3551 mm
Ubude obuphakemeko 592 mm
Ubude obupheleleko bama-rafters kanye nokuphakama 4143 mm
I-engele yokusika 58°
Ibanga ukusuka emphethweni we-rafter ukuya ekuthomeni kokusika 100 mm
Sibawa uqaphele bona ibanga leli kufanele lilinganiswe nge-engeli 58° ukusuka emphethweni we-rafter
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