Some European models variously combine sliding tablesaws, jointers, planers, and mortisers. A tool bit is a non-rotary cutting tool used in metal lathes, shapers, and planers. Principal products were cotton and woolen textiles, lathes and planers, and paper. He produced a complete range of steam hammers, planers and shapers. Milling is performed by construction equipment called milling machines or cold planers. Dynapac produces pavers, mobile feeders, rollers and planers. In thicknessers (planers), the wood is usually fed automatically through rubber or corrugated steel rollers. It also built various other classes of machines, such as planers and grinding machines. For example, by commercial firms, civic planers, designers of new housing developments, and university administration. There are two types of planers for metal&colon; double-housing and open-side.