The present invention provides for the design of a microfluidic system, including a microfluidic chip or circuit, using an object oriented microfluidic computer aided design system. The control includes a grip, a base and a seal. A wire-wound heating element is wrapped around the exterior surface of the central core and an outer housing surrounds the heating element and the central core. After this, a first stream of data representative of the legacy screen asset is received from the host in response to a request by the client for data fields. The hydrogen generator can be part of a fuel cell system including a fuel cell battery that is provided with hydrogen gas from the hydrogen generator. The suspension assembly includes first and second telescopingly engaged tubular portions configured to move closer together during compression of the suspension assembly.