The appliance includes an elongated body portion (12) and an assembly (14, 16 18) for producing high velocity water droplets, as well as a nozzle and guidance assembly (20) which includes a base portion (21) and a replaceable tip portion (22). The tip portion is connectable to the base portion by a connection arrangement, such as a weld, an adhesive, or a threaded connection.器具は、長尺本体部１２と高速水滴を生成するためのアセンブリ１４，１６，１８と、基部２１及び交換可能先端部２２を含むノズル及びガイダンスアセンブリ２０とを含む。先端部は、接続装置（例えば溶接、接着剤又はねじ接続）により基部に接続可能である。
