Original sentence: Banners have been seen at many large sporting events including the World Cup in Berlin, Tour de France and the London Marathon.The banner system has an in-built parachute design which allows the banner to fall gently to the ground upon release from the air unit.The banners are made from highly durable light weight polyester.The technology is owned and operated throughout the world by Hobs Banners (Helicopter Banner system) based in Sloane Square, London.They can fly for up to 3 hours at a time and are visible from 10 miles.This in-built safety system has allowed flying approvals to be acquired for populated areas
Edited sentence: 16.5 times the size of a large aeroplane banner.62.5 time the size of a 96 sheet billboard.Banners have been seen at many large sporting events including the World Cup in Berlin, Tour de France and the London Marathon, advertising brands as diverse as Flora, Adidas and Qantas.Banners upto ¾ the size of a football pitch (25,000sq ft).Fly for up to 3hours at a time.Hobs Banners are made from highly durable light weight polyester.The banner system has an in-built parachute design which allows the Helibanner to fall gently to the ground upon release from the air unit.The technology is now exclusively owned and operated throughout the world by Hobs Banners (Helicopter Banner system) based in Sloane Square, London.This in-built safety system has allowed flying approvals to be acquired for built up areas.This is:.Visible from 10 miles