Aerospace engineers develop, test and oversee the manufacture of flight vehicles such as aircrafts, missiles, and spacecrafts. The field of engineering they are active in, can be divided into two branches: aeronautical engineering and astronautical engineering.

Aerospace engineering drafters convert the aerospace engineers' designs into technical drawings usually using computer-aided design programs. Their drawings detail dimensions, fastening and assembling methods and other specifications used in the manufacture of aircrafts and spacecrafts.

Aerospace engineering technicians work with aerospace engineers to operate, maintain and test equipment used on aircraft and spacecraft. They review blueprints and instructions to determine test specifications and procedures. They use software to make sure that parts of a spacecraft or aircraft are functioning properly. They record test procedures and results, and make recommendations for changes.

Aestheticians offer skin care treatments. They apply various facial treatments according to their clients' needs and skin type, such as lotions, scrubs, peels and masks, in order to maintain the skin healthy and attractive. Aestheticians may also give neck massages and body treatments such as wraps. Aestheticians remove unwanted hair on different body parts like eyebrows, upper lip or the bikini area. They perform facial massage and apply make-up for various occasions.

After-sales service technicians provide after-sales service support to customers, such as the installation, maintenance and repair of the sold products. They take corrective actions to ensure customers’ satisfaction, resolve technical product-related issues and write customer summary reports.

Aftersales service managers are responsible for the lifecycle of the products delivered to customers for at least the warranty period, after which, in accordance with customer needs, for the sale of spare parts and technical support. They recruit the staff and collaborators, exercise leadership, and follow KPIs for products stocks, margins and orders. Ensure that safety rules and procedures are followed by the whole team. Manage the claims and guarantee-related processes.

Aged care services managers plan, direct, coordinate and evaluate the provision of residential and personal care services for individuals and families who are in need of such services due to the effects of ageing. Tasks include - (a) providing overall direction and management for a service, facility, organization or centre; (b) directing, supervising and evaluating the work activities of medical, nursing, technical, clerical, service, maintenance and other personnel; (c) establishing objectives and evaluative or operational criteria for units they manage; (d) directing or conducting recruitment, hiring and training of personnel; (e) developing, implementing and monitoring procedures, policies and performance standards for nursing, personal care, technical and administrative staff; (f) coordinating and administering welfare programmes and care services for the elderly; (g) controlling administrative operations such as budget planning, report preparation, and expenditure on supplies, equipment and services; (h) liaising with other health and welfare providers, boards and funding bodies to coordinate the provision of services; (i) advising government bodies about measures to improve health and welfare services and facilities; (j) representing the organization in negotiations, and at conventions, seminars, public hearings and forums. Examples of occupations classified here: - Aged care home director - Community aged care coordinator - Nursing home director - Retirement village coordinator Some related occupations classified elsewhere: - Health services manager - 1342.

Agricultural and forestry production managers plan, direct and coordinate production in large-scale agricultural, horticultural and forestry operations such as plantations, large ranches, collective farms and agricultural cooperatives to grow and harvest crops, and breed and raise livestock. Tasks include - (a) monitoring agricultural and forestry market activity and planning production to meet contract requirements and market demand; (b) establishing and managing budgets, monitoring production output and costs, recording information such as farm management practices, and preparing financial and operational reports; (c) conferring with buyers to arrange for the sale of crops and livestock; (d) contracting with farmers or independent owners for production of crops and livestock, or for management of production; (e) planning the type, intensity and sequence of farm operations (e.g. determining the best times for planting, spraying and harvesting); (f) analysing soil to determine types and quantities of fertilizer required for maximum production; (g) purchasing machinery, equipment and supplies such as tractors, seed, fertilizer and chemicals; (h) identifying and controlling agricultural and forest environmental toxins, weeds, pests and diseases; (i) organizing farming operations such as maintaining buildings, water supply systems and equipment; (j) directing and coordinating activities such as planting, irrigation, chemical application, harvesting and grading; (k) inspecting plantations and fields to determine maturity dates of crops, or to estimate potential crop damage from weather; (l) overseeing the selection, training and performance of agricultural and forestry workers and contractors. Examples of the occupations classified here: - Forestry manager - Plantation manager - Ranch manager.

Agricultural and industrial machinery mechanics and repairers fit, install, examine, service and repair engines, agricultural and industrial machinery and mechanical equipment, except motor vehicle, aircraft and electric motors. Tasks include - (a) fitting, installing, examining, servicing and repairing engines, machinery and mechanical equipment; (b) oiling and greasing stationary engines and machinery; (c) inspecting and testing new machinery and mechanical equipment for conformity with standards and specifications; (d) disassembling machinery and equipment to remove parts and make repairs; (e) examining parts for defects such as breakage and excessive wear; (f) operating newly repaired machinery and equipment to verify the adequacy of repairs; (g) recording repairs and maintenance performed. Examples of the occupations classified here: - Construction machinery mechanic - Construction machinery repairer - Farm machinery repairer - Mining machinery fitter - Mining machinery repairer - Stationary engine fitter - Stationary engine repairer - Train engine fitter - Train engine repairer Some related occupations classified elsewhere: - Air conditioning equipment mechanic - 7127 - Electrical mechanic - 7412 - Mechanical machinery assembler - 8211.

Agricultural engineers intervene in a variety of matters within the agriculture field in combination with engineering concepts. They design and develop machinery and equipment for an efficient and sustainable exploitation of the land. They advise on the use of resources in agricultural sites comprising the usage of water and soil, harvesting methods, and waste management.

Agricultural equipment design engineers apply knowledge of engineering and biological science to solve various agricultural problems such as soil and water conservation and the processing of agricultural products. They design agricultural structures, machinery, equipment and processes.

Agricultural inspectors monitor agricultural operations in farms and other agricultural facilities. They inspect activities such as health and safety measures, costs and production processes to ensure that workers and their activities comply with proper legislation and standards. Agricultural inspectors also analyse and report on their findings.

Agricultural machinery and equipment distribution managers plan the distribution of agricultural machinery and equipment to various points of sales.

Agricultural machinery technicians repair, overhaul and maintain agricultural equipment including tractors, tillage equipment, seeding equipment and harvesting equipment. They perform evaluations of the equipment, perform preventive maintenance activities and repair faults.

Agricultural policy officers analyse and identify agricultural policy issues and develop plans for improvement and new policy implementation. They write reports and presentations in order to communicate and acquire support for the policies from government officials and the public. They also communicate with professionals in agriculture for research and information purposes and perform administrative duties.

Agricultural raw materials, seeds and animal feeds distribution managers plan the distribution of agricultural raw materials, seeds and animal feeds to various points of sales.

Agricultural scientists research and study soil, animals and plants with the objective of improving agricultural processes, the quality of agricultural products or the impact of agricultural processes on the environment. They plan and implement projects such as development projects on behalf of clients or institutions.

Agricultural technicians collect and conduct experiments and tests on agriculture and aquaculture specimens. They provide support to scientists and farmers and also analyse and report on conditions in the collected specimens' environments.

Agricultural technicians perform tests and experiments, and provide technical and scientific support to agricultural scientists, farmers and farm managers. Tasks include - (a) preparing materials and equipment for experiments, tests and analyses; (b) collecting and preparing specimens such as soils, plant or animal cells, tissues or parts of animal organs for experiments, tests and analyses; (c) assisting with and performing experiments, tests and analyses applying methods and techniques such as microscopy, histochemistry, chromatography, electrophoresis and spectroscopy; (d) identifying pathogenic micro-organisms and insects, parasites, fungi and weeds harmful to crops and livestock, and assisting in devising methods of control; (e) analysing produce to set and maintain standards of quality; (f) conducting or supervising operational programmes such as fish hatchery, greenhouse and livestock production programmes; (g) analysing samples of seeds for quality, purity and germination rating; (h) collecting data and estimating quantities and costs of materials and labour required for projects; (i) organizing maintenance and repairs of research equipment. Examples of the occupations classified here: - Dairy technician - Field crop technician - Herd tester - Horticultural technician - Poultry technician Some related occupations classified elsewhere: - Artificial inseminator - 3240 - Veterinary technician - 3240.

Agricultural, forestry and fishery labourers perform simple and routine tasks in the production of crops and livestock, cultivation and maintenance of gardens and parks, exploitation and conservation of forests, and conduct of aquaculture and fisheries operations. Most occupations in this sub-major group require skills at the first ISCO skill level. Tasks performed by workers in this sub-major group usually include: digging, raking and shovelling using hand tools; loading, unloading and stacking supplies, produce and other materials; watering, thinning, weeding and tending crops by hand or using hand tools; planting, harvesting, picking and collecting produce by hand; feeding, watering and cleaning animals and keeping their quarters clean; monitoring livestock and reporting on their condition; preparing and operating nets, lines and other fishing tackle and deck equipment; grading, sorting, bunching and packing produce into containers; performing minor repairs on fixtures, buildings, equipment, vessels and fences. Occupations in this sub-major group are classified into the following minor group: 921 Agricultural, Forestry and Fishery Labourers.

Agricultural, forestry and fishery labourers perform simple and routine tasks in the production of crops and livestock, cultivation and maintenance of gardens and parks, exploitation and conservation of forests, and conduct of aquaculture and fisheries operations. Tasks performed usually include: digging, raking and shovelling, using hand tools; loading unloading and stacking supplies, produce and other materials; watering, thinning, weeding and tending crops by hand or using hand tools; planting, harvesting, picking and collecting produce by hand; feeding, watering and cleaning animals and keeping their quarters clean; monitoring livestock, reporting on their condition; preparing and operating nets, lines and other fishing tackle and deck equipment; grading, sorting, bunching and packing produce into containers; performing minor repairs on fixtures, buildings, equipment, vessels and fences. Occupations in this minor group are classified into the following unit groups: 9211 Crop Farm Labourers 9212 Livestock Farm Labourers 9213 Mixed Crop and Livestock Farm Labourers 9214 Garden and Horticultural Labourers 9215 Forestry Labourers 9216 Fishery and Aquaculture Labourers Notes Workers in subsistence agriculture who perform a limited range of simple and routine tasks, usually under the direction of others, are classified in the relevant unit group in Minor Group 921: Agricultural, Forestry and Fishery Labourers. Workers in an agricultural setting whose main tasks are fetching water and gathering firewood are classified in Unit Group 9624: Water and Firewood Collectors.

Agronomic crop production team leaders are responsible for leading and working with a team of crop production workers. They organise the daily work schedules for crop production and participate in the production.

Agronomists provide consulting services to companies, agricultural cooperatives, agronomical crop growers and horticultural crop growers on the cultivation of food crops. They study the science, technology and business related to growing plants. They examine crops and perform experiments in order to improve crop yields and farms' production. Agronomists also examine the most effective ways to harvest and cultivate plants.

Air conditioning and refrigeration mechanics assemble, install, maintain and repair air conditioning and refrigeration systems and equipment. Tasks include - (a) interpreting blueprints, drawings and other specifications; (b) assembling, installing and repairing components such as compressors, motors, condensers, evaporators, switches and gauges for air conditioning and refrigeration systems; (c) connecting piping and equipment by bolting, riveting, welding or brazing; (d) testing systems, diagnosing faults and performing routine maintenance or servicing. Examples of the occupations classified here: - Air conditioning equipment mechanic - Refrigeration mechanic Some related occupations classified elsewhere: - Plumber and pipe fitter - 7126 - Ventilation pipe fitter - 7126.