Nokian Tyres also produces materials for retreading and refurbishing used tyres. UTC also owns one tyre retreading plant at Dehradun to provide in-house tyre retreading facilities. Apex started as a tire retreading, automotive service and manufacturing business. Some jurisdictions have regulations concerning tire retreading. The company also produces retreading materials and tyre pressure monitors. Fountain Tire's OTR (Off-The-Road) sales and services includes retreading and tire repair. The corporation has nine tyre retreading plants along with 32 divisional workshops. Tire casings can have typical lifetimes of ten or more years, through multiple retreading processes. Voit began in Los Angeles in 1922 as a tire retreading products factory. Retreading is applied to casings of spent tires that have been inspected and repaired. Casings fit for retreading have the old tread buffed away to prepare for retreading. In 1973 he moved to East London, Eastern Cape and started a tyre retreading company. There are two main processes used for retreading tires, called Mold Cure and Pre Cure. There are two main processes used for retreading tires, called mold-cure and pre-cure methods.