In 2012, doctors working in primary care had a median compensation of $220,942 while those working in a specialty had a median of $396,233, according to the Bureau of Labor Statistics. Choosing between becoming a doctor or a physician assistant may likely require students to weigh more than just their potential salary.
Ordinary Maintenance. On average, a deck made from pressure-treated pine will last 15 to 20 years before succumbing to the accumulated stress of direct sunlight, rain, salty ocean breezes, insect infestation and repeated cycles of thermal expansion and contraction.ressure-treated pine remains the most commonly used decking material, reports the Popular Mechanics website, but plastic composite decking planks have earned a growing percentage of the marketplace -- in part because homeowners believe these pricey alternatives might outlast genuine wood.
Our planters have vertical boards in the side panels that do not have nails or screws tacking the boards to the rails (you do not see a long row of screws or nail holes). The boards are allowed to float in the deep groove so that they do not split and crack with the expansion and contraction of the wet / dry cycles. This special design coupled with the non toxic plastic liner makes the planter last 3 or 4 times longer. A 7 year lifespan becomes a 20 - 30 year lifespan.