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
Euthymia (medicine) Euthymia (medicine) Euthymia is defined as a normal, tranquil mental state or mood. It is often used to describe a stable mental state or mood in those affected with bipolar disorder that is neither manic nor depressive, yet is distinguishable from healthy controls. Euthymia is also used to describe the "baseline" of other cyclical mood disorders like major depressive disorder (MDD) and narcissistic personality disorder (NPD). This state is the goal of psychiatric and psychological interventions. The word "euthymia" traces its roots to the Greek words "eu", meaning well, and "thymo", meaning soul or emotion. The word "thymos" also had