Before revision: A well-maintained tinplate roof typically lasts several times longer than either of these types of roofing , and is more economical when the longer lifespan is taken into account.Gayle & Waite (1980), pp 12-13.
After revision: A well-maintained tinplate roof typically lasts several times longer than modern materialsor ceiling , and is more economical when the longer lifespan is taken into account.Gayle & Waite (1980), pp 12-13.