今次我哋從房頂落手 ， 不過我哋無用紙 ， 因為紙一落雨就無左 唔可以幫啲屋擋雨 -- 乙烯基塑料就得喇 。
This time we started from the roof, but we didn't use paper, because when it rains, the paper is gone, and we can't help the house from the rain -- vinyl plastic.