Steam sterilization is an effective method for sterilization for high-level disinfection. All incoming equipment is kept in bay & sprayed & washed with detergent. Secondly, we clean the equipment using steam cleaning machines. Then we disinfect the equipment inactivate any remaining pathogens. Finally we place the equipment under direct sunlight to dry. High-level disinfection of respiratory equipment takes place after cleaning, and we use chemical germicide for this process.