Commercial barbecue grills can be stationary or transportable. It has picnic table, barbecue grills, and a seating area. A chef's tools and equipment, including ovens, stoves, grills, and griddles. It can be prepared in ovens, outdoor grills and smokers, and campfires. Some homes also have natural gas barbecue grills, formerly sold at utility company stores. Vinyl siding is sensitive to direct heat from grills, barbecues or other sources. The venue also had bathrooms, and vendors cooking food on propane grills. Camping facilities are basic but do include water, restrooms, charcoal grills, and trash containers. Picnic tables and campsites with lantern post and grills are available. They are the variations of portable charcoal grills. Traditionally, it was accomplished using portable charcoal grills. At convenience stores, hot dogs are kept heated on rotating grills. Grills, benches, running water and restrooms were provided. Along the walls were high concrete grills thick which served as sunshades. And in 1975, they started making Ducane Gas Grills.