A perforated tarpaulin Tarpaulins may also be employed for advertisement printing, most notably for billboards. Perforated tarpaulins are generally employed for medium to big advertising, or for cover on scaffoldings; the goal of the perforations (from 20% to 70%) is to cut back wind vulnerability. Thanked 29 Periods in 9 https://charlieprrus.mywikiparty.com/1388189/detailed_notes_on_izmir_pergola