Room tone - factory with machinery idling

Room tone - server room with whirring fans (High)

Room tone - server room with whirring fans (Low)

Room tone - boiler room with rattling boiler tank

Room tone - bathroom shower - light dribble

Room tone - underground corridor - low rumble

Room tone - kitchen with buzzing fridge

Commercial airplane interior ambience

Airplane chatter ambience after landing

Power plant - electrical charge ambience

Power plant - metal pipes ambience

Power plant - large tank valve ambience

Power plant - electric pump valve ambience

Power plant - pipeline pump ambience

Power plant - electric pipeline ambience

Power plant - electric relay switch ambience

Room tone - basement leaking in the rain

Room tone - store with neon sign buzz

Room tone - bathroom shower - strong spray

Room tone - neon lights flickering on with buzz

Room tone - recording studio - silent noise floor