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Engineering and design of chemical and biomass processing plants, laboratories, cultivation structures, greenhouses; Engineering and design of heating, cooling, dehumidification, environmental-control, irrigation, fertigation, benching, lighting and carbon-dioxide generation installations and systems; Engineering and design of heating, cooling, dehumidification, environmental-control, irrigation, fertigation, benching, lighting and carbon-dioxide generation installations and systems for use in chemical and biomass processing plants, laboratories, cultivation structures, greenhouses; Engineering and design of heating, cooling, dehumidification, environmental-control, irrigation, fertigation, benching, lighting and carbon-dioxide generation installations and systems for use in cultivating cannabis, exclusively for use with cannabis derived from hemp with a delta-9 tetrahydrocannabinol concentration of not more than 0.3 percent on a dry weight basis

Process chillers; Refrigeration equipment, namely, chilling units; Fluid separation apparatus for separation of dissolved contaminants and products from liquids for the cleaning and purification of liquids; Apparatus and instruments for use in the purification and separation of liquids and gases used in the agricultural and horticultural industries; Separators for the cleaning and purification of liquids; Dehumidifiers; Dehumidifiers and dehumidification systems comprised of industrial dehumidifiers and electric fans for dehumidifiers for industrial and commercial use; Lights for use in growing plants; Growing systems comprised of lighting, benching with integrated irrigation, and automated controls therefor; Agricultural irrigation units; Fertigation system comprised of hydraulic and electronic components, namely, irrigation units and water treatment apparatus for infusing irrigation water with liquid fertilizer for horticultural use; Filters and filtering devices for air and gas conditioning; Air filtration installations; air filtration installations for removing odors from the air; none of the foregoing for use with cannabis with a delta-9 THC concentration of more than 0.3 percent on a dry weight basis