outdoor advertising boards on store building. Generally, to display an outdoor advertising sign or signboard.

heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example, supply air, return air, and exhaust air.

Active Electricity Optimizing Transformer by appropriately adjusting the voltage. usage can be cut by 5% to 15%. prolongs the economic life of electric appliances

cutting machines and crushing machines which cut or crush materials.

adding extra outlets in heavily used areas, and upgrading the wiring and circuit breakers plus new advert panels

electric power systems, other systems may require grounding for safety or function.