Ki runga i te whakaaturanga pūmanawa me te whakahaere i ngā paerewa matua, kāore i mate ngā Flap Disks tirohia e te UL. Ka tahuri rātou, ka whakamutu i ngā mahi hanga e āhei ana ki te whakarite i ngā mete, rākau, me ngā whakaritenga atu o tōna whakaaro, kāore i te mohio mai i te whaihua e kitea nei. Te whakakore i te rauropi me te wera iti noa atu ko ērā ngā haino e whakaaetia ana e ngā 'flap' disks. Ko te whakapae katoa e kitea ana he pai rawa nō ngā ture tuatahi o te ao, inā kāore i whakaaetia te mahi katoa, te hoko, ranei te whakahoki o ngā flap disks.