ESSENTIAL CONTRAPTIONS

35mm cameras; 3D camera systems, namely, adapters for allowing 3D shooting; 3D scanners; 3D spectacles; A mesh network of temperature probes which measures the internal temperatures of compost piles and wirelessly transmits the temperature data to a computer; Abacuses; Abdominal belt containing built-in speakers for purposes of transmitting music/sounds/educational material to a fetus and a built-in pockets in which to carry audio transmitters; Abdominal belts containing built-in speakers for purposes of transmitting music/sounds/educational material to a fetus and built-in pockets in which to carry audio transmitters; Acceleration sensors; Accelerometers; Access control and alarm monitoring systems; Accessories for lighting fixtures, namely, plastic pole with electrical source in protective cover; Accounting machines; Downloadable accounting software for use in the construction industry for contract bidding and job accounting; Accumulator boxes; Accumulator jars; Accumulators; Accumulators and batteries; Accumulators, electric; Accumulators, electric, for vehicles; Acetylene regulators; Acid hydrometers; Acidimeters for batteries; Acidity analysers; Acidity meters; Acoustic alarms; Acoustic amplifiers; Acoustic amplifiers for mobile devices; Acoustic baffles sold as a component of loudspeakers; Acoustic conduits; Acoustic couplers; Acoustic coupling devices; Acoustic membranes; Acoustic membranes for incorporation in microphones, audio loudspeakers, sound recording apparatus; Acoustic meters; Acoustic separation units; Acoustic sound alarms; Actinometers; Ad server, namely, a computer server for storing advertisements and delivering advertisements to websites; Adapter cables for headphones; Adapter plugs; Adapter rings for attaching objectives on cameras; Electrical adapters for testing the function and effectiveness of smoke detectors, carbon monoxide detectors and heat detectors featuring an aerosol spray; Air analysis apparatus; Air filters for automation equipment, namely, computers and copier machines; Air purifying respirator masks to prevent injury due to dust inhalation; Air quality measurement apparatus, namely, particle counters; Air tank dolly for scuba diving; Air tanks; Air tanks for use in scuba diving; Air traffic control radio equipment; Air-fuel ratio controllers for internal combustion engines; Air/fuel ratio gauges; Alarm bells, electric; Alarm central units; Alarm installations and alarms; Alarm monitoring systems; Alarm sensors; Alarm that utilizes pressure sensitive pads to monitor patients or resident movement; Alarms for the detection of inflammable gases; Alcohol breath testing units; Alcoholmeters; Alidades; All-in-one (AIO) liquid coolers for central processing units; All-in-one PCs; Altimeters; Ammeters; Amorphous silicon photovoltaic cells; Ampere-hour meters; Amplifier stands; Amplifiers; Amplifiers for use with servo motors; Amplifiers for wireless communications; Amplitude modulation tuners; Optical inspection apparatus in the nature of an optical metrology inspection system comprised of a light source, one or more cameras and sensors in communication with computer software and hardware; Anaerobic jars for bacteria culture; Analog cameras; Analog multimeters; Analog to digital converter (ADCs); AV equipment storage racks