A continuous flexible conduit is formed from like-configured components, each having a male joint member and a female joint member with a passageway extending therethrough. The interconnect includes a material with charge carriers having topological surface states. , a CTE at most 42\xd710\u22127\xb0 C. The laser scanner assembly comprises a laser and an image sensor. Other optional features include a stepping stone flotation assembly, a stepping stonevertical buoyant member flotation assembly, and a floating log assembly. The present invention also may be applied to determine the profitability of aggregate books of business, which may be offered by individual insurance agents or agencies, whether captive or independent.