35mm cameras; 3D scanners; Acceleration sensors; Accelerometers; Access control and alarm monitoring systems; Accumulators; Acoustic coupling devices; Acoustic meters; Adapter plugs; Adapter rings for attaching objectives on cameras; Aerial cables for heavy currents; Alarm central units; Alarms for the detection of inflammable gases; Alcohol breath testing units; Alcoholmeters; Alidades; All-solid-state batteries; Amplifiers for use with servo motors; Analog-to-digital converters; Angle viewf...