Umdvwebo jikelele
Idatha yekucala
Bubanti be-Rafter 150 mm
Kwati 500 mm
Bubanti bendlu ngekuya kwetilinganiso tangephandle 6000 mm
Kuphakama kusuka ekucaleni kweluphahla kuya emgceni . 2000 mm
Budze kuya etulu kwe-rafter 3551 mm
Budze lobungetulu 592 mm
Budze bonkhe bema-rafter kanye nekulenga ngetulu 4143 mm
Engela yekusika 58°
Libanga kusuka emphethweni we-rafter kuya ekucaleni kwekusika 100 mm
Sicela wati kutsi lelibanga kufanele lilinganiswe nge-angle . 58° kusuka emnceleni welugondvo
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