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Ability to 'catch on' or understand instructions and underlying principles; to reason and make judgments.

Ability to understand the meaning of words and the ideas associated with them, and to use them effectively; to comprehend language, to understand relationships between words and to understand the meaning of whole sentences and paragraphs; to present information or ideas clearly.

Ability to carry out arithmetical processes quickly and accurately.

Ability to think visually about geometric forms and comprehend the two dimensional representation of three dimensional objects; to recognize the relationships resulting from the movement of objects in space. May be used in such tasks as blueprint reading and in solving geometry problems. Frequently described as the ability to 'visualize' objects of two or three dimensions.

Ability to perceive pertinent detail in objects and in pictorial and graphic material; to make visual comparisons and discriminations and to see slight differences in shapes and shadings of figures and widths and lengths of lines.

Ability to perceive pertinent detail in verbal or tabular material; to observe differences in copy, to proofread words and numbers, and to avoid perceptual errors in arithmetical computation.

Ability to co-ordinate eyes, hands and fingers rapidly and accurately when required to respond with precise movements.

Ability to move the fingers and manipulate small objects with the fingers rapidly and/or accurately.

Ability to move the hands easily and skillfully; to work with the hands in placing and turning motions.

Methodical persons like to have clear rules and organized methods to guide their activities. They prefer working under the direction or supervision of others according to given instructions, or to be guided by established policies and procedures. Methodical persons like to work on one thing until it is completed. They enjoy following a set routine and prefer work that is free from the unexpected.

Objective persons enjoy working with tools, equipment, instruments and machinery. They like to repair and/or fabricate things from various materials according to specifications and using established techniques. Objective persons are interested in finding out how things operate and how they are built.

Directive persons like to take charge and control situations. They like to take responsibility for projects that require planning, decision making and co-ordinating the work of others. They are able to give direction and instructions easily. They enjoy organizing their own activities. They see themselves as independent and self-directing.

Carrying out a set of explicit procedural/operational functions or processes based on an understanding of instructions or information necessary to perform the work.*

Talking with and/or signalling people to convey or exchange information; giving assignments and/or directions to helpers.

Starting, stopping and running machines and equipment that must be steered or guided in order to fabricate, process and/or move things or people. Involves activities such as observing gauges and dials, estimating distances and determining speed and direction of other objects, pushing clutches or brakes, and pushing or pulling gear shifts or levers. Includes such machines as cranes, conveyor systems, tractors, and hoisting machines. Excludes manually powered and power-assisted machines.

The use of sight in the work performed. The levels are organized in terms of the visual field involved in the performance of the work.

4 - Total visual field

The use of colour descrimination to identify, distinguish and match colours and different shades of the same colours.

1 - Relevant

The use of hearing in the work performed. The levels are organized in terms of the type of auditory discrimination involved in the performance of the work.

2 - Verbal interaction

Primary type of posture or body movement involved in performing the work. These postures or body movements range from simple to complex and from sedentary to mobile.

1 - Sitting

The use of limbs in performing work.

2 - Multiple limb co-ordination

The use of strength in the handling of loads such as pulling, pushing, lifting and/or moving objects during the work performed.

Work conditions that create disturbances but are not hazardous. In general, these conditions create discomfort, but are not direct sources of injury. In extreme instances, however, these conditions might cause injury.

D1 - Noise

Work conditions that create disturbances but are not hazardous. In general, these conditions create discomfort, but are not direct sources of injury. In extreme instances, however, these conditions might cause injury.

D2 - Vibration

Potential hazards to which the worker may be exposed. The codes provide an indication of the type(s) of hazard(s) most likely to be present in the workplace environment. They are not a measure of frequency, duration or degree of exposure to hazards, but an indication of the presence or absence of a particular hazard in the work environment.

H1 - Dangerous chemical substances

The work performed is carried out indoors in a regulated environment, indoors in an unregulated environment, outdoors or in a vehicle. In many occupations, the Main Duties may be performed in more than one location. Therefore, a group may have more than one Location code, for example:

• firefighting and fire prevention duties
• maintenance of interior/exterior of buildings
• managing operations and paperwork of farms

L4 - In a vehicle or cab