A videoconferencing unit for enhancing direct eye-contact between participants can include a curved fully reflective mirror to reflect the image of the near end to a camera. HBM ESD test systems provide stress pulses defined by industry standards. A malleable member extends along a portion of the exterior side of the reinforcement member. Hydraulic cylinders engage the control arm assembly and are operable to move the cab between an operating position adjacent the chassis and an access position away from the chassis substantially without rotating the cab.