retail or wholesale services for electrical machinery; retail and wholesale services in relation to electrical tools; retail and wholesale services for electrical tools; retail or wholesale services for electrical machinery and apparatus; retail services or wholesale services for electrical machinery and apparatus; retail or wholesale services for electrical apparatus; wholesale services in relation to heating equipment; retail and wholesale services in relation to electricity measuring instruments; wholesale services in relation to lighting; wholesale services relating to heating equipment; wholesale services for lighting; retail and wholesale services for instruments for measuring electricity; retail and wholesale services for electricity measuring instruments