Approximately half of the tungsten mined is used to create tungsten carbine. This makes other materials harder. Tungsten Carbine is used to make wear-resistant abrasives, cutters and knives. Items such as drill bits, circular saws, metal work tools and woodwork tools. It is used in mining drills as it has a high melting point and is extremely hardy. Almost 60% of tungsten is used in this industry. It is used to make rings in the jewelry industry. This is due to its scratch resistant qualities. Tungsten is commonly used to make hard metal alloys such as high speed steel. Metals alloys with tungsten are often used to make turbine blades, rocket nozzles and metal coatings. It is also used in the creation of armor piercing bullets, cannon shells, grenades and missiles to create supersonic shrapnel. It has also been used to create Dense Inert Metal explosives. Tungsten sulfite is used in high temperature lubricants. Tungsten compounds are used to create ceramic glazes and in the tanning industry. It is also used in fluorescent lighting It is used in weights and counterbalances. Because of its weight it is used in some aircraft and yachts as ballasts. It is also used in NASCAR and Formula One cars as ballasts. High-density alloys of tungsten with nickel, copper or iron are used in high-quality darts It is sometimes used in fishing lures to create quicker sinking flies. Some types of strings for musical instruments are wound with tungsten wires. Due to its ability to remain solid at high temperatures tungsten is also used in light globes, vacuum tube filaments, heating elements. It is also suitable for aerospace and high-temperature uses such as electrical, heating, and welding applications, notably in the gas tungsten arc welding processing. Tungsten is often used in electrodes due to its high melting point and its efficiency as an electrical conductor.