Aromatherapy is a form of alternative medicine which uses essential oils, scents and smells to improve a patient's mood or health.

Helps companies and businesses become more socially and environmentally responsible in how they operate. Create sustainable solutions for the often conflicting needs of people, the environment and business development.

Refuse collectors remove waste and rubbish from houses, factories, hospitals, shops, etc.

Conducts surveys of property and natural resources such as buildings, land and sea.

Coordinate software development and design as part of a team. Develop, create, and modify general computer applications, software or specialised utility programs.

Street cleaners collect litter from the street and other public areas. They keep pavements, roads and gutters clean, collect leaves, spread grit in icy conditions and empty litter bins.

Plans, designs, implements and troubleshoots computer networks.

Designs, installs, and evaluates quality assurance systems, procedures, and measuring techniques

Soil scientists study soil and advise clients on its management and conservation. They survey and map soils, and produce information on their various properties and possible uses.

Works with iron or steel to create custom objects such as iron gates, grills, ornamental railings, candlesticks, light fixtures, furniture, sculptures, tools and horse shoes.

A Blacksmith is a recognised craftsperson.

Conducts research into physical phenomena, develops theories and laws on the basis of observation and experiments, and devises methods to apply laws and theories to industry and other fields.

Conducts tests in commercial, public and research laboratories, works to prepare experiments and to analyse the results.