Metals and alloys like steel (carbon steel, stainless steel, alloy steel), aluminum, copper, brass, nickel alloys, construction materials like cement, aggregates (sand, gravel, crushed stone), concrete additives, timber and wood products, chemicals and polymers like adhesives and sealants, resins and polymers, specialty chemicals for manufacturing processes, minerals and ores like iron ore, bauxite, limestone, silica, composite materials like fiberglass, carbon fiber, composite panels, energy and fuel resources such as coal, natural gas, or electricity, specialized construction products like specialized construction materials like precast concrete, steel beams, and other structural elements, packaging materials like materials used for packaging finished goods for transportation, environmental and sustainable materials like eco friendly and sustainable materials, including recycled or recyclable options.
Coal
