Agricultural machines; Apparatus for controlling the feed of materials to machines; Apparatus for controlling the operation of machines (hydraulic); Apparatus for controlling the operation of machines (manual); Apparatus for controlling the operation of machines (pneumatic); Apparatus for controlling the processing of materials by machines; Apparatus for conveying goods; Automated assembly machines; Automatic door apparatus (electric); Computer controlled machines for use in manufacture; Control installations; Control mechanisms for industrial machines; Control mechanisms for machines, engines or motors; Machines for use in engineering

Active infra-red sensors; Alarm systems incorporating control and visual display apparatus; Alarms; Alarms for controlling the movement of human beings; Analogue circuits; Alarm installations for buildings; Alarm management installations