The tails and pins interlock to form a strong 90-degree joint. Dovetail joints are technically complex and are often used to create drawer boxes for furniture. Through mortise and tenon â To form this joint, a round or square hole (called a mortise) is cut through the side of one piece of wood.The end of the other piece of wood is cut to have a projection (the tenon) that matches the mortise.The tenon is placed into the mortise, projecting out from the other side of the wood. A wedge is hammered into a hole in the tenon. The wedge keeps the tenon from sliding out of the mortise.he end of the other piece of wood is cut to have a projection (the tenon) that matches the mortise. The tenon is placed into the mortise, projecting out from the other side of the wood. A wedge is hammered into a hole in the tenon. The wedge keeps the tenon from sliding out of the mortise.
Poland was the largest consumer of bottled water last year, accounting for 23% of total volume. Russia was second at an advancing 21% and Romania was third with a 10% share. In terms of growth rates, Bulgaria led the way with a 22% increase, followed by Hungary, Estonia and Russia.
The [bottled water] industry grossed a total of $11.8 billion on those 9.7 billion gallons in 2012, making bottled water about $1.22/gallon nationwide and 300x the cost of a gallon of tap water, Colas says. In that year, Americans spent $2.5 billion on 2.4 billion gallons about $1.07/gallon. 2  We have also more than tripled our bottled water intake per capita since 1991, from 9.8 gallons per person annually to 30.8 i n 2012, the highest level on record.