Rectifiers; Electric coils; Electric diodes; Electric or electronic sensors for Relays; Electric relays; Electric sensors; Electrical switches; Electromagnetic apparatus used to generate or measure magnetic fields; Electromagnetic coils; Electronic components in the nature of capacitors, connectors, filters, oscillators, relays, switches, transformers, resistors, semiconductors, integrated circuits, rectifiers and transistors; Electronic control systems for engines; Electronic control systems for machines; Electronic controls for gasoline engines for land vehicles; Electronic controls for motors; Electronic drum triggers; Electronic equipment, namely, electrolysis cell for use in the manufacture of various ionic solutions; Electronic motor vehicle ignition tuning kits comprised of an electronic control unit that monitors engine performances and delivers re-calculated sensor values to the original engine control unit to increase engine performance; Rectifier modules; Relays, electric; Vehicle engine parts, namely, thermostats