.Higher-level technology systems incorporate a wide range of levels for all aspects of life
skills. These systems may involve complex construction or internal structures.
Manufacturers specialize in equipment to accommodate specific disability conditions
and the performance tasks to be accomplished. Such devices may require specific
training in order for the user to take full advantage of their capabilities. However, most
are “user friendly” which means that the user does not have to understand how the
device works in order to use it successfully.