Closed truss: 1) A truss with a tie beam; 2) a roof system with a ceiling so the framing is not visible. Open truss: 1) A truss with an interrupted tie beam or scissor truss which allow a vaulted ceiling area; 2) Roof framing open to view, not hidden by a ceiling. King post truss
The short-term effects of alcohol (ethanol) consumptionâdue to drinking beer, wine, distilled spirits or other alcoholic beveragesârange from a decrease in anxiety and motor skills and euphoria at lower doses to intoxication (drunkenness), stupor, unconsciousness, anterograde amnesia (memory blackouts), and central nervous system depression at ...
A. Hangovers are multi-causal. Ethanol has a dehydrating effect by causing increased urine production (such substances are known as diuretics), which causes headaches, dry mouth, and lethargy. Dehydration causes the brain to shrink away from the skull slightly. Alcohol's effect on the stomach lining can account for nausea.