. "linear action" . "mechanical actuator" . . . "linear actuator" . . . "linear actuators" . "Mechanical Actuators" . "linear" . "linear slides" . "Linear actuator" . "actuation" . . "actuator" . . "Linear actuator" . "transducer" . "Taptic Engine" . "linear movement" . . "linear electric motors" . . "mechanical linear actuators" . .