| 摘要 |
<p>The machine has magnetic endless tracks using natural magnets for direct application of paint or polish to vertical metal surfaces, the operation of the machine controlled by a single operator via a video camera (28) and image monitor. The machine may be controlled via transmitted remote-control signals, with further signals used for electrical control of the camera, supported by a rotary mounting and provided with a fan which directs a stream of air across the lens (30), for preventing deposition of paint or polish.</p> |
