Boiler attendants operate and maintain boilers used to supply heat or steam to power machines.

Bookkeepers record and put together summaries of the financial transactions of a business or other organisation for management purposes.

Bookmakers offer odds and take bets on racing results at horse racing, harness racing, greyhound racing and other sporting events.

Bookmaker's clerks take bets from customers at betting agencies or bookmakers' stands, or over the phone, and assist bookmakers to provide betting services at race meetings.

Border Force officers manage the security and integrity of Australia's borders. They mainly work at international airports, seaports or outposts along the Australian coastline. Border Force officers check passengers and crew before clearing them for entry into Australia. They check international mail, passenger luggage and other cargo of ships and aircraft to prevent the illegal entry into Australia of prohibited, quarantined or dutiable goods.

Botanists study the biology of all types of plants to increase scientific knowledge and apply this knowledge in areas such as conservation and management of natural resources, agriculture, forestry, horticulture, medicine and biotechnology.

Brake mechanics diagnose faults, and then repair, replace, overhaul and test the parts of disc, drum or power brake systems used on all types of motor vehicles.

Brewers undertake the testing and production of beer, develop new beers and supervise brewery workers.

Bricklayers lay bricks, concrete blocks and building blocks in mortar to construct and repair internal and external walls, partitions, arches and other structures.

Broadcasting technicians install, start up, maintain and repair equipment used for the transmission and reception of television and radio broadcast signals. This includes transmitters, microphones, mixing desks, tape recorders, CD players, computers, television cameras and telecine equipment. They may also work on microwave and satellite equipment used for the transmission and reception of voice, data and images.

Builders coordinate the construction of dwellings and other structures, while also physically completing projects and adhering to safety standards.

Building labourers assist building and construction personnel by erecting, repairing and dismantling structures and facilities.

Building site managers supervise the work carried out on construction sites.

Building surveyors advise on, interpret and enforce laws and regulations regarding building construction and safety.

Building technicians assist with the building of houses and work on commercial projects, usually undertaking supervisory roles.