Photovoltaic systems in the nature of solar trackers comprised of automatic solar tracking systems that track the sun to maximize collection of solar energy; Downloadable computer software for controlling movement and positioning of solar trackers; Computer hardware and downloadable software for controlling movement and positioning of solar trackers; downloadable computer software and programs for controlling, regulating and monitoring of photovoltaic modules and solar trackers; Solar trackers in the nature of photovoltaic solar modules for production of electricity that track the sun in order to optimize the production of energy from the solar light; Solar-tracking systems comprised of automatic solar tracking sensors for automatically tracking the sun and positioning of photovoltaic modules relative to the sun; Solar trackers, namely, driving motors, other than for land vehicles, for positioning of photovoltaic modules relative to the sun, and replacement parts therefor; Solar-tracking systems comprised of electric motors for machines for positioning of photovoltaic modules relative to the sun to maximize collection of solar energy; Solar-tracking systems consisting of machine motors and gears for automatically positioning of photovoltaic modules relative to the sun; Solar trackers for solar photovoltaic electric power generation systems comprised of motors, gears, and drives for orienting solar panels; Metal structures for supporting solar panels, photovoltaic modules, and photovoltaic cells, namely, solar tracking systems; Installation, maintenance, and repair of solar-tracking systems consisting of solar-tracking hardware; Installation and maintenance of photovoltaic installations including solar trackers; Construction of solar-tracking systems, namely, construction of solar power energy plants; Providing warranty services, namely, arranging for repair of solar tracking systems pursuant to service agreements; Design of solar photovoltaic systems including solar trackers; Drafting and development of photovoltaic systems including solar trackers; Engineering services in the field of solar-tracking systems; Quality evaluation for others in the field of maintenance, repair and installation of photovoltaic modules, solar panels, and solar trackers; Design of solar photovoltaic systems, namely, design and planning of solar-tracking systems; Installation of solar-tracking software systems; Installation, maintenance, and repair of solar-tracking software systems
