. "1790"^^ . . . "Means" . . "2006-09-18T20:35:33+02:00"^^ . . . . . . . . "An Agent makes use of a Means (either an action or a (system of) entities standing in for the action) in order to achieve a Purpose. (This frame may be broadened to include non-agentive intermediate actions.) The primary means of gas detection is mass spectroscopy . They learned of the attack by monitoring the allied communications channels ."@en . . . . . . . . . . . . . . . . . .