"dampers" in the noun sense
1. damper
a movable iron plate that regulates the draft in a stove or chimney or furnace
2. damper, muffler
a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
3. damper
a depressing restraint
"rain put a damper on our picnic plans"
Source: WordNet® (An amazing lexical database of English)
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