1.charcoal grill ,gas grill lava rock 2.kitchen equipment ,food machine 3.it's suitable for restaurant ,snack bar ,kitchen ... charcoal grillcommodity modle size ... cook food. Gas chargrills are available in sizes ranging from small, single steak grills up to large, industrial sized restaurant grills ... LP or NG, although it's possible to convert a grill from one gas source to another.