128089 ⎘
Removing undesirable matter from roads or like surfaces, with or without moistening of the surface; Pneumatically dislodging or taking-up undesirable matter or small objects ; Drying by heat only or by streams of gas ; Cleaning by projecting abrasive particles; Details for pneumatically dislodging or removing not related to the mouth-piece Suction-effect created through blowing, e.g. using the venturi effect