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.
1 The more common type of battery, the Lithium Ion, can cost $25 to $140. 2  There are several companies that sell different batteries for laptops. 3  For example, a laptop battery for the Dell Inspiron series can cost anywhere from $18 to $34. 4  A laptop battery for many HP models can cost $22 to $45. There are several companies that sell different batteries for laptops. 2  For example, a laptop battery for the Dell Inspiron series can cost anywhere from $18 to $34. 3  A laptop battery for many HP models can cost $22 to $45.