| 摘要 |
<p>The safety circuit, for a vehicle, disconnects the engine's ignition circuit when the seat-belt has not been fastened and thereby prevents the vehicle engine from being started. The engine can only be started if the seat-belt has first been fastened. A safety switch is located between the battery and the ignition switch and is operated directly or indirectly by the clasp of the seat-belt.</p> |
