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Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed-air power is flexible, economical, and safe. In general, pneumatic systems have relatively few moving parts, contributing to high reliability and low maintenance costs.
This entry comes from Encyclopædia Britannica Concise. For the full entry on pneumatic device, visit Britannica.com.
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