They have 15 segments and spiracles in each segment for breathing. Its casing consisted of 11 steel sections which made up its four main segments. Construction on the portion of highway between the two segments began . It consists of a rotating cylinder divided into multiple metal contact segments on the rotor. Each episode featured three of these segments. They are attached to each of the three thoracic segments. Thus the lengths of the two segments are . Network topology describes the layout of interconnections between devices and network segments. This involves increasing market share within existing market segments. It usually consists of precast concrete segments which form rings. The current GPS consists of three major segments. The company is structured to focus on six specific business segments. The lagging strand is synthesized in short, separated segments. Two chemical reactions occur at the interfaces of the three different segments. There are several methods to estimate mortality in different segments of the population.