Orthopedic constructs having parts that are movable with respect to each other and one or more friction members to limit unintended movement are disclosed. The endoscope body is inserted into a patient and the selectively steerable distal portion is used to select a desired path within the patient’s body. 15 per anhydroglucose unit in cellulose. A top wall and a retaining board backward extend from the backside of the vertical cooperating wall, thereby a retaining space is formed therebetween. In one embodiment of the invention, the microphone protrudes at least partially from the striking end so as to strike the drum surface directly. Combinations of alloyed layers of Co\u2014Ti\u2014 along with layers of Co\u2014 are arranged and heat treated so as to effectuate a silicide reaction on a silicon substrate.