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.
1 There's nothing quite like a nice, real-wood door. 2  Price, quality, durability and life-expectancy vary dramatically by wood type, with pine being at the bottom end and hardwoods occupying the top. 3  A pine door lasts around 20 years, cedar about 40 years and a hardwood like mahogany 60 or more.