An acromioplasty involves shaving of the undersurface of the acromion. The acromion is a projection of bone extending from the shoulder blade out over the top of the shoulder joint and provides attachment for muscles around the shoulder including the trapezius and deltoid muscles.
The reason DaimlerChrysler's Global Electric Motorcars (GEM) subsidiary can be in business is the National Highway Traffic Safety Administration's 1998 creation of the Low Speed Vehicle (LSV) standard. LSV is sort of a cheat, a way to make electric vehicles viable by eliminating every obstacle in their way.
The Trim is what the car has. The lowest trims have the weakest engines that the model offers. The lowest trims do not have power windows or locks or alarms or sunroofs or leather or GPS or CD player, or alloy wheels. While higher trim levels offer more. 4x2 mean it is Two wheel drive and. 4x4 means the car is 4WD.