hat
Kòrèk aliyman trè enpòtan ke ou pa gen pwoblèm ki kalite estrikti do-kay, sèlman sa a ka fèy papye yo dwe reyini ak anpil atansyon epi straightly nan liy vètikal yo ta dwe 50 ~ 70mm nan enteryè a nan laterally pou yon do-kay piyon, ak orizontal liy 150mm pan la anba .
eng
Correct alignment is very important to no matter what kind of roof structure，only this can the sheets be assembled closely and straightly The vertical line should be 50～70mm to the interior of sidewall for a gabled roof，and horizontal line 150mm to the bottom purlin.