A perforated tarpaulin Tarpaulins also are useful for advertisement printing, most notably for billboards. Perforated tarpaulins are generally employed for medium to significant advertising, or for protection on scaffoldings; the purpose of the perforations (from twenty% to 70%) is to reduce wind vulnerability. Thanked 29 Moments in 9 Posts Arc https://emilioprnke.wikififfi.com/1388891/the_basic_principles_of_izmir_tente