The container (10) i.e. air column container, has an assisting device (14) for assisting people who are blind or visually impaired. The assisting device comprises a receiving unit for receiving a predetermined signal from a transmitter (24) carried by a blind or visually impaired person (22). An emitting unit i.e. loudspeaker (18), is utilized for emitting an audible signal when the predetermined signal is received. A distance determining unit is utilized for determining a distance at which the predetermined signal is transmitted. An independent claim is also included for a waste collection installation.
