duster,dusting machine /SCIENCE/
[DE] Staubgerät; Stäuber; Verstäuber; Zerstäuber
[EN] duster; dusting machine
[FR] poudreuse
chalking machine,dusting machine /INDUSTRY,ENG-MECHANICAL/
[DE] Pudermaschine
[EN] chalking machine; dusting machine
[FR] machine à talquer