Pressure Ulcer Deï¬nition Localized injury to the skin and /orunderlying tissue usually over a bonyprominence, as a result of pressure, orpressure in combination with shearand/or friction.
1 The 2.4GHz MacBook with 2GB of memory is available for about $1,000.  Apple's ultraportable laptop, the MacBook Air, is aimed at business travelers. The 1.6 or 1.86GHz processor is slower than a MacBook but what it loses in power it gains in portability.
The 13-inch variant of the MacBook Air is still the best laptop to buy under $1,000 Best Laptops Under $1,000 in 2016 . A big reason for that is the battery life. The MacBook Air 13 was the battery king for a long time, after all. You can expect this battery life on the Intel Core i5 version.