Food processing machinery businesses manufacture, supply, install, maintain or repair equipment used to prepare, transform, preserve and package food and drink. Their customers may include food manufacturers, commercial bakeries, meat and fish processors, dairies, breweries, catering operations and smaller producers. Equipment is selected to suit the ingredients, production volumes, hygiene requirements and processes involved. Typical machinery includes mixers, blenders, grinders, slicers, ovens, fryers, filling and sealing machines, conveyors, pumps, refrigeration equipment and systems for washing, sorting or weighing products. Some businesses provide complete production lines, while others specialise in particular types of equipment or stages of processing. Services can include equipment selection and layout planning, installation, commissioning, operator training, servicing, fault diagnosis, repairs and the supply of spare parts.