At Crowne Plaza New Delhi Okhla, Mehta informs that they use Diversey’s R1 and R2 chemicals with chemical dilution dispenser, which help to eliminate the chance of improper dilution. “Besides, a professional vacuum cleaner having an airflow of 129cfm, with HEPA-certified exhaust filters, also ensures zero-dust flow back to the air and offers ideal suction cleaning of the surface.” A good way to sanitise and clean the floor is “by using chlorine solution, especially in high-risk areas, says Jain. “This will help in removal of solid particles and debris.”