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.
The best experienced roofing companies in Denver agree that slate is the most durable of all roof types. It can last from 30 to 100 years. Metal and wood can last of up to 40 years, while asphalt and clay can last up to 20 years. Proper maintenance â if the owner is vigilant and is taking care of his house by hiring professional roofers for annual inspection, the roofing system tends to last longer.