Lights are a favourite for Particle acceleration which is inaudible Sound passed the Speed of Sound at high frequency. The other is Water from Nuclear Energy on fingers or in a Diffuser.
The Community are saturated by Chem trailing inc. Farms & at Food outlets causing Cancer by immobility in Old Age. Special arrangements provide clean items for Civil Servants often. The Queen used Gas Lamps in Her Parks & the Royal Staff can be seen working on their Kilt Legs running in numbers each morning for Metobolic encouragement to heal.
