The use of really flammable petroleum solvents brought on lots of fires and explosions, resulting in govt regulation of dry cleaners. Soon after Environment War I, dry cleaners commenced making use of chlorinated solvents. These solvents have been a lot less flammable than petroleum solvents and had improved cleaning energy.[citation http://cleaningservices59009.link4blogs.com/8533467/cleaning-services-for-dummies