A car with an automatic transmission accelerating with either an object dragging from the undercarriage or a problem of some sort making a worrisome noise.
Staying still in a liquid chlorine packaging plant and approaching some of the different machines. . . Not recorded with an optimum device. Very noisy.
Long segment recorded in a catholic church before the start of mass. Great for use as background noise for people shifting around in the pews and moving around the church.