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A peak flow meter is used to measure your peak expiratory flow rate (PEFR). PEFR describes how quickly your lungs expel air during a forceful exhalation after you fully inhale. Regularly conducting a ...

Tesla has released a new mobile app update that adds more offline functionalities, Powerwall power meter, and more. Today, Tesla pushed a new Tesla app update to the Apple app store and the ...

An onboard computer can also calculate average fuel economy, and when you hit reserve on the sizeable 25lt tank, the trip meter flicks over to a 'kilometres-to-empty' display. A lockable 'glovebox' ...