Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signaling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments, namely, hygrometers, air analysis apparatuses, air quality measurement apparatuses in the nature of particle counters, electronic based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; digital sensors for detecting and monitoring air quality, oxygen, carbon dioxide, fine dust, air pressure, temperature, carbon monoxide, humidity, nitrogen dioxide, ozone; downloadable software for monitoring and analyzing indoor air quality, room acoustics, and ventilation; downloadable software for monitoring and controlling indoor oxygen content, air pollutants, and humidity; blank digital or analog recording and storage media being blank recordable compact discs; mechanisms for coin-operated apparatus; cash registers, calculating devices, namely, calculators; computers and computer peripherals; diving suits, scuba diving masks, earplugs for diving, nose clips for divers and swimmers, diving gloves, breathing apparatus for underwater swimming; fire extinguishers

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water distribution and sanitary installations, namely, water treatment unit for aerating and circulating water, water fountains

Unprocessed and non-transformed agricultural, aquacultural, horticultural and forestry products, namely, natural plants and flowers; unprocessed and raw grains and unprocessed seeds for agricultural use; fresh fruits and vegetables, fresh aromatic herbs; natural plants and flowers; bulbs, seedlings and seeds for planting; live animals; food and beverages for animals; malt for brewing and distilling

Construction services, namely, planning, laying out and custom construction of commercial buildings; construction planning; custom construction of homes; construction of office buildings; maintenance of construction equipment; repair of construction equipment

Treatment of materials in the nature of soil and water; recycling of trash and waste; air purification and water treatment; printing services; food and beverage preservation

Chemical, biochemical, biological and bacteriological research and analysis; chemical analysis services; agricultural services, namely, soil sampling and crop observing for analysis purposes; technical air quality monitoring services; quality control for others, namely, remote monitoring services of heating, ventilating and air conditioning apparatus; custom design and development of safe chemical and biological agent simulants for use in air quality measurement; water analysis; greenhouse gas emission measuring and analysis; testing, analysis and evaluation of leaf and petiole samples