Workers in this unit group perform technical tasks, normally under the direction and supervision of life scientists, contributory to research to increase scientific knowledge in the life sciences and to develop industrial, agricultural, medical and other practical applications. Their functions include: preparing biological, botanical, medical and similar specimens and growing cultures of micro-organisms for tests, analyses and experiments; using laboratory instruments and other equipment to carry out, under supervision or according to instructions, tests, analyses and experiments and recording observations, results and other relevant information; performing other technical tasks to assist life scientists in research and in development of practical applications of life sciences, including sciences of biology, botany, zoology, anatomy, biochemistry, physiology, bacteriology, pathology, pharmacology, agronomy, horticulture and silviculture.