| 摘要 |
CLEANING APPARATUS 5 By the invention a cleaning apparatus for cleaning an elevated surface comprising, in combination, a high pressure cleaner (40), a gun (100) having a trigger (104), and a outer tube, which may be a telescopic tube (60), surrounding a flexible hose (70) for a fluid and a detergent, wherein a valve (116) may be provided in, or at, the gun (100), and the valve (116) is regulating the supply of the detergent to an injector (150) which 10 is provided in the flow path of the fluid, and wherein the flexible hose (70) is terminated in a nozzle (80) attached to the distal end of the outer tube, is provided. A method of cleaning a roof of a residential house is also provided. Fig. 1 is to be published with the abstract. |
