| http://www.w3.org/ns/prov#value | - The radially closed tube is hollow or has a throughgoing passage extending from one open end to the other open end which connects to a hollow interior portion or passage of the blowing air dispensing means which, in turn, is connected with means for dispensing blowing air, e.g. orifices, so that air passed through the radially closed tube issues from the blowing air dispensing means.
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