Where do materials come from?

• Linen => cloth woven from flax plants (natural material)
• Polyester => Fabric that is derived from petroleum or natural sources (man-made material)
• Balsa => lightweight wood used for making models & rafts (natural material)
• Cheese => dairy product made from curds of milk (natural )
• Chipboards => material made of compressed wood chips & resin in sheets (man-made)
• Corrugated cardboard => a fluted, corrugated sheet and 1 or 2 flat linerboards (natural)
• Mild steel => type of steel that contains a low amount of carbon which means that it can easily be worked (man-made)