Data processing apparatus; megaphones; DVD players; time delay reverberator; speed regulators for record players; loudspeakers; audio- and video-receivers; compact disc players; horns for loudspeakers; microphones; cabinets for loudspeakers; sound transmitting apparatus; portable media players; headphones; sound recording apparatus; in-ear headphones.

Computer software; valuation and estimation software; computer software for strategic planning, cost modelling, cost development, budgeting, haulage simulation, system calibration, life of asset planning; project management software; scheduling software; operational reporting software; computer readable media comprising the aforementioned software

Scientific and technical analysis services; engineering project management services; performance evaluation services; services relating to engineering feasibility studies; engineering modelling and simulation services