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.
There are various types available. Most are metal clips that you nail or screw to the edges or undersides of the decking boards and to the tops or sides of the joists. Drill pilot holes, using a drill or rotary tool, to prevent fasteners from splitting the wood, which promotes water intrusion that leads to rot.eck joists last longer if you protect them from rot. The same statement applies to all structural framing members in your house, but most of them aren't as exposed to moisture as deck joists.