Targeted sectors and entities In general, any activity that may result in air emissions, soil waste, noise, or consumption of water resources is obligated to obtain a license, the most important of which are: Industrial sector: All types of factories (chemical, food, processing). Mining sector: Quarries, crushers, and mines. Agricultural and animal sector: Large poultry and livestock farms and feed factories. Energy and water sector: Desalination plants and electricity generation plants. Health sector: Hospitals and medical centers (due to medical waste).