4. Painting on Bark is the oldest form of Aboriginal art but many bark paintings have perished over time. Not only is the bark prone to decay and disintegration, but the ochre paints too need a stable substrade (base on which to paint) to lengthen their own relatively short life. 5.ainting on Bark is the oldest form of Aboriginal art but many bark paintings have perished over time. Not only is the bark prone to decay and disintegration, but the ochre paints too need a stable substrade (base on which to paint) to lengthen their own relatively short life.
If CHG solutions come into contact with eyes, wash them out promptly and thoroughly with water. You also should avoid contact with the meninges or the middle ear. CHG is toxic to nerve tissues with direct contact, although this has not been reported with currently used agents.
Triethylene Glycol (TEG) is a colorless, liquefied by-product from Diethylene Glycol and Ethylene Oxide production. TEG is used as a plasticizer for the production of PBT films and for water soluble lubricants for pumps. Additionally, TEG is used in gas purification and gas drying processes.thylene Glycol is a basic chemical which is processed in large quantities all over the world.