"controllers" in the noun sense
1. accountant, comptroller, controller
someone who maintains and audits business accounts
2. restrainer, controller
a person who directs and restrains
3. control, controller
a mechanism that controls the operation of a machine
"the speed controller on his turntable was not working properly"
"I turned the controls over to her"
Source: WordNet® (An amazing lexical database of English)
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