In a power source control circuit module, switching regulator devices and a linear regulator device are mounted on a surface of a laminated body so as to be spaced from each other. The cell culture media further comprise only moderate amounts of amino acids, in particular the amount of glutamine in the cell culture media is limited. The drive shaft typically has a distal portion that is advanced to create a path in the occlusive material that is large enough to allow the hollow guidewire to cross the occlusive material. The power contacts are configured to transmit power from the circuit board to the electronic component. This saves the rappeller money, as well as satisfy public land managers who are increasing becoming intolerant of fixed rappel anchors left behind by rappellers. The first seat includes a first substrate and two first pads, the first seat is positioned on the second end surface of the main body and the first pads are electrically connected to the second pins.