Lithium is a metal commonly used in batteries like the rechargeable ones found in laptops, cellphones, and electric cars as well as in pharmaceutical, electronics and other industrial and consumer applications.
Steel is an alloy of iron and carbon with improved strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels, which are resistant to corrosion and oxidation, typically need an additional 11% chromium.
Yellow grease, also termed used cooking oil (UCO), used vegetable oil (UVO), recycled vegetable oil, or waste vegetable oil (WVO), is recovered from businesses and industry that use the oil for cooking.
Timber is wood that has been processed into uniform and useful sizes (dimensional lumber), including beams and planks or boards. Timber is mainly used for construction framing, as well as finishing (floors, wall panels, window frames).
Found in nature only as an oxide, titanium can be reduced to produce a lustrous transition metal with a silver color, low density, and high strength, resistant to corrosion in sea water, aqua regia, and chlorine.