| 摘要 |
<p>The plant comprises, in combination, an aerator device (14) arranged to feed to a manually operated brush (20) a foam prepared by intimately mixing compressed air (7) with a soap solution (1); a pistol (26) for releasing a jet of air mixed with water for rinsing the entire vehicle body, with the possible addition of wax polish (2); a vacuum cleaner (39) operating on the Venturi principle using air as the drive fluid; and a device (40-43) for controlling the various components, either on a time basis or otherwise.</p> |
