Wood preservation a long-practised method and often used in today's carpentry workshops. Technological developments mean it is also possible to spray preservative over the surface of the timber. Some of the liquid is drawn into the wood as the result of capillary action before the spray runs off or evaporates, but unless puddling occurs penetration is limited and may not be suitable for long-term weathering. By using the spray method, coal-tar creosote, oil-borne solutions and water-borne salts (to some extent) can also be applied. A thorough brush or spray treatment with coal-tar creosote can add 1 to 3 years to the lifespan
Medicine in Azerbaijan were used as medicine for treatment of rheumatism, fever and prophylactics of various illnesses, were found out in Garakepektepe village of Mugan plain during archeological excavations. Aromatherapy was also broadly spread. It was believed that smell of a quince strengthens body’s energy. Lemon was used for adjusting of nervous system, and apple for stimulation of brain’s work. In ancient times there was an active cultural interchange between Azerbaijanis and residents of Mesopotamia. Sesame oil and crocus were imported from Sumer. There is information about medicinal drugs and medicine in Avesta, a sacred book of fire worshippers and the ancient monument