gas meter.

accuracy accurate analog apparatus ascribe business close closeup commercial computer concern connected connection conserve consumption cooker cooking counter counts cubic data detail details device distribute distributed distributing distribution domestic economise economize energetic energetically energetics energy flow fuel gadget gas gaseous gassy gasworks gauge gauging home house imputable index indicates indicator industrial industry measure measuring mechanical mechanically mechanism meter metric natural numbers numeral numeric numerical object pipe price rate rotate rotates save seal sealing sum summability summable supply tool utility warm