In one year in the United States, the recycling of steel saves enough energy to heat and light 18,000,000 homes! Every ton of recycled steel saves 2,500 pounds of iron ore, 1,000 of coal, and 40 pounds of limestone. PAPER To produce each week's Sunday newspapers, 500,000 trees must be cut down.hey can help you add some flavor to your reports, spice up your presentations, or be just for fun. METALS Recycling one aluminum can saves enough energy to run a TV for three hours -- or the equivalent of a half a gallon of gasoline.
A chimney is a structure that provides ventilation for hot flue gases or smoke from a boiler, stove, furnace or fireplace to the outside atmosphere. Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the combustion in what is known as the stack, or chimney effect.
A corbel is a structural piece of stone, wood or metal protruding from a wall to carry weight. A chimney corbel, in very simple terms, is a brick bump-out. You will find essential chimney corbelling in the smoke chamber or on a multi-flue outside wall chimney, this area is also known as a shoulder.