olemus
suruõhupurk või elektripuhur aparatuuri puhastuseks
=
airjet blower for removing dust from equipment

näiteid
http://2.bp.blogspot.com/-MWccEAr41ys/Tu6LEQ-8NtI/AAAAAAAABhc/9MQccEIVvhY/s1600/Using+Ambersil+Air+Duster+to+clean+keyboard.JPG

https://d8mkdcmng3.imgix.net/b140/computing-pc-accessories-cleaning-and-maintenance-it-dusters-compucleaner-original-ii-electric-air-duster-uk-plug.jpg?auto=format&bg=0FFF&fit=fill&h=600&q=100&w=600&s=d74ccfb05ce1a1f75eed9fd7578613ab