◆ ʻO kahi piha o nā huahana huahana, me HDPE, TPO, PVC EPDM, EVA , Geotextile.etc.
◆ ʻO nā ʻano pāpaʻi āpau, me ke one i uhi ʻia, ka papa ala hele, hoʻoikaika ʻia, ka hulu hipa, ka hoʻopili ponoʻī, etc.
◆ Loaʻa nā mea pono a pau, me kahana mua ia, sila a me na mea paa.
◆ ʻAʻohe hopohopo no kēlā me kēia wahi ma ka maikaʻi, ke kumu kūʻai, ka pūʻolo, ka hoʻouna ʻana, ka lawe ʻana,guarantee, lawelawe.etc.