| 1. | Even if the button is pressed spring tension holds the knife open.
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| 2. | Spring tension from the head mounting constantly pushes the heads towards the platter.
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| 3. | This concept allows release angle to be independent of spring tension.
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| 4. | The spring tension could be adjusted to suit the rider's weight.
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| 5. | It is kept there against spring tension by a pawl pivoted on the frame.
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| 6. | Changing the spring tension can help reduce bumping.
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| 7. | Shutter speed was determined by spring tension and mechanical delay since the exposure sector was fixed.
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| 8. | Setting the focal plane shutter speed required selecting both a slit width and a spring tension.
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| 9. | The mangle used two rollers under spring tension to squeeze water out of clothing and household linen.
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| 10. | These shutters offered a wide range of shutter speeds by adjusting the spring tension and selecting a slit width.
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