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Glossary of Terms

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Term Definition
Agistment

Leasing of grazing rights of a paddock which is owned by another person.

Airflow
A method of measuring the mean fibre diameter of a sample of wool in which a test specimen (a measured mass of the scoured, dried and carded sample or a measured mass of silver), after exposure to a conditioning atmosphere, is compressed to a fixed volume and a current of air is passed through it. The rate of flow is then adjusted so that the pressure drop across the sample equals the predetermined value, or the pressure drop across the sample is adjusted until the air flow equals a predetermined value. The rate of flow in the first case or the pressure difference in the second case, is an indicator of the mean fibre diameter of the wool in the sample.
Apron
The largest neck fold of the Merino sheep.
Area of Origin
Code which indicates the state and area within Australia from which a wool clip originates.
ATLAS (Automatic Tester of Length and Strength)
A computer-controlled instrument which measures the staple length, staple strength and position of break of individual staples. In operation, a continuous belt conveys each staple between an array of lights and an array of photocells, which detects the ends of the staple and enables the length (in millimeters, mm) to be measured. The staple is then grasped by two sets of jaws and broken. The force required is measured in Newtons. The two pieces of the broken staple are individually collected and weighed and, from the masses, lengths and core test yield, the staple linear density (thickness) is calculated and expressed in kilotex; the staple strength is expressed as Newtowns / kilotex (N/ktex). The masses of the two pieces are also used to calculate the position of break.
Australian Superfine Merino
Quality endorsement logo denoting wool garments that contain fibre which is 18.5 micron or finer. Licensed by The Woolmark Company.
AWEX
Australian Wool Exchange Ltd, the national body responsible for market reporting of wool auction sales in Australia, woolclasser registration and clip preparation standards.
AWTA
Australian Wool testing Authority Ltd is responsible for the independent testing of raw wool and issuance of test certificates.
Backline
The imaginary line along the back of animal, following the course of its spine. The application of a treatment against external parasites (mainly lice) on the skin of a sheep along the spine; usually off-shears within 7 days of wool harvesting.
Backs
Fleece wool from the back of the sheep ? maybe removed if wasty or dusty.
Bale

A rectangular container (pack) into which shorn wool is compressed. Pack is of nylon construction and pressed to specifications set in the AWEX Code of Practice for the Preparation of Australian Wool Clips (Min. Weight 120kg - Max. Weight 204kg  Max. length 1.25 metres).

Bale Fastener
Metal clasp used to close a bale of wool.
Bale Hook
A tool used to help grasp bales of wool while handling.
Baling Twine
Made of synthetic polypropylene and one of the major contaminants of wool.
Bar bale
A bale of wool containing two or more types of wool separated by paper divisions.