Technique sound effects

Projection screen opens and closes

3891 1009

Projector, movie projector: 35mm film, start and stop

3328 851

Projector: slide show, slide change

5094 1144

Projector: projection screen

3674 707

Projector: projection screen (2)

4371 769

Projector: projection screen (3)

3797 730

Production of bmw electric motors

5015 1329

Industrial motor

4742 900

Heart rate monitor: unstable signal

4158 1146

Vacuum cleaner (2)

4819 1169

Vacuum cleaner (3)

3867 892

Punch work, short strokes

3279 795

Punch work

3332 673

Perforator

3234 746

Working a haymaker on a farm

2967 616

Turbine operation (loop)

4050 890