In one embodiment, a sampling while drilling tool includes a drill collar having a first end, a second end, an outer wall extending between the first and second ends, and at least one opening extending through the outer wall to a cavity within the drill collar. The actuation and control device includes an actuator operatively connected to the movable contact to supply the energy to perform openingclosing operations. A prepayment support node information is received from a subscriber profile database. In others, the system is actuated by a user depressing or bending at least a portion of the system. A removable lid is positioned at the mouth portion so as to close the mouth portion and a lug is provided at the lid.