She was able to operate a television set with a small blow tube.
2.
Seems like a vanity invention, a google search for " blow tube " brings up over 800 hits, the top 20 are not this contraption.
3.
They may be inflated by either self-contained carbon dioxide cartridges activated by pulling a cord, or blow tubes with a one-way valve for inflation by exhalation.
4.
"' Glassblowing "'is a glassforming technique that involves inflating molten glass into a bubble ( or parison ), with the aid of a blowpipe ( or blow tube ).
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