9 [ SCIENTIFIC, NAUTICAL, SURVEYING, PHOTOGRAPHIC, CINEMATOGRAPHIC, OPTICAL, WELDING, WEIGHING, MEASURING, SIGNALING, CHECKING, SUPERVISION, LIFE-SAVING AND TEACHING APPARATUS AND INSTRUMENTS, namely, ELECTRONIC AND MECHANICAL TIMERS FOR THE MEASUREMENT OF TIME FOR USE IN THE FIELD OF TIME MANAGEMENT; APPARATUS AND INSTRUMENTS FOR CONDUCTING, SWITCHING, TRANSFORMING, ACCUMULATING, REGULATING OR CONTROLLING ELECTRICITY, namely, ELECTRICAL SWITCHES; APPARATUS FOR RECORDING, TRANSMISSION OR REPRODUCTION OF SOUND OR IMAGES, namely, BLANK RECORD DISKS AND AUDIO RECORDERS; PRERECORDED MAGNETIC DATA CARRIERS, RECORDING DISCS, COMPACT DISCS AND DVDS IN THE FIELD OF TIME MANAGEMENT; MECHANISMS FOR COIN-OPERATED APPARATUS; CASH REGISTERS, CALCULATING MACHINES, DATA PROCESSING APPARATUS; COMPUTERS; ] COMPUTER SOFTWARE FOR USE IN PROJECT PLANNING AND MANAGEMENT, TRACKING AND WORK INVOICING IN THE FIELD OF TIME MANAGEMENT [ ; FIRE EXTINGUISHERS ]