Divers carry out a range of duties underwater using self-contained underwater breathing apparatus (SCUBA), surface breathing apparatus or underwater work chambers. With experience, and sometimes further training, divers may become a ship's diver or dive supervisor.
Drillers' assistants help move, set up and operate drilling rigs and related equipment to drill holes for such things as oil, natural gas and water, building foundations, minerals exploration and site investigation.
Environmental engineers are concerned with assessing and managing the effects of human and other activity on the natural and built environment. They apply their engineering knowledge and skills to such things as environmental impact assessment, natural resources management and pollution control.
Equine Dental Service Providers provide day-to-day dental correction and oral care for horses. Their duties require judgement and the ability to accurately communicate information concerning horse health related to equine dental care to clients.
Farm hands assist farmers and graziers with growing crops and feeding and raising livestock.
Farriers inspect, trim and shape horses' hooves and make, fit and nail horseshoes, or racing plates or 'tips' for racehorses.
Fish farm hands assist with the growing and cultivation of fish and the maintenance of fish farm premises and equipment.
Seafood processors scale, clean, fillet, cut, shell, grade and pack seafood for sale or supply using knives, scalers and power equipment.
Master fishers control fishing operations to catch and preserve fish, crustaceans and molluscs in ocean, coastal and inland waters, using equipment such as nets, lines, traps, pots and towed dredges.
Forest technical officers are responsible for many of the forestry operations involved in the planting, management and harvesting of trees.
Foresters study, establish, manage and harvest forests to ensure there is a continuing supply of timber and associated forest products. They also maintain forests to meet community recreational needs. They may be involved with forest ecology (environment), hydrology (water), entomology (insects), pathology (diseases) or geographic information systems. Other areas of specialisation include various commercial forestry aspects and forestry extension and consultation services.