surfboard fins, namely, fins which allow the rider to manipulate the angle of the fin with his or her foot by applying force to a flexible rod beneath the arc pad on the deck of the surfboard, in turn moving the center fin to actively drive the board

Propulsion System

Bilge pumps; Propellers for machines; Spark plugs; Electricity generators; Motors other than for land vehicles; Engines not for land vehicles; Boat engines; Boat motors; Electric motors, and their parts, not for land vehicles; Marine engines and parts and fittings thereof; Jet engines, other than for land vehicles; Gear boxes, other than for land vehicles; Engine mounts, other than for land vehicles

Antenna

electrochemical research instruments and equipment, namely, potentiostats and galvanostats and parts therefor; accessories for potentiostats and galvanostats, namely, connection cables, and software for use in analyzing data from potentiostats and galvanostats

power electronic apparatus, instruments and systems; namely, electrical and electronic power supplies; electronic and electrical controllers and regulating and monitoring apparatus; batteries, capacitors; electrical switches; voltage regulators; computer software used for regulating, monitoring and controlling systems for communicating information concerning power supply; and replacement parts thereof