An air intake includes an air channel for an air stream passing through the air intake into the plant, and a particle filter assembly arranged in the air channel for removing particles from an air stream passing through the air channel, the particle filter assembly including a front and a back filter unit. The resource control system is designed for a plurality of clients connected to the system and is used to maintain consistency of the data. At least one of the mounting edges of the removable mounting assembly has an opening to receive a cooling air flow into an interior cavity of the main body of the removable module. The compressor compresses refrigerant gas introduced into a suction chamber from an external refrigerant circuit. In one embodiment, the launcher simultaneously launches confetti into the air so as to create an effect of both sight and sound.