Close-up lenses; Electric cables, wires, conductors and connection fittings therefor; Electric control devices for sample sieve; Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; Hand-held electronic dictionaries; Inspection mirrors; Laptops; Magnifying glasses; Magnifying peepholes for doors; Microphone boom pole; Microprocessors; Microscopes; Optical apparatus and instruments, namely, optical ports for underwa...