Insulation material word platform ladder superior quality and low price insulating material word platform ladder superior quality and low prices word ladder: one tool used to climb above the plane of the space (eg roof) renovation of the type of work, because of its use, ladder and the ground around the rod to form a isosceles triangle that looks like a 'man' word, so it is called the image of 'human ladder'. Practical people who have a fixed ladder ladder Ladders and activities. Fixed Ladders people makeshift tools; Ladders activity is the top two ladders together with the leaflet, when you can move together, because of its flexibility, it is widely used in electrical operation. Early word ladder is usually made of wood, with the development of the metal industry, now more use of aluminum alloy; Aluminum Ladders lightweight, attractive, durable characteristics, and cost is not high, it is widely used. Low insulation material word platform ladder insulation material superior quality and low prices, superior quality word platform ladder Price