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2. Electrospray - Wikipedia

   en.wikipedia.org/wiki/Electrospray

   Under the effect of surface tension, the liquid meniscus assumes a semi-spherical shape at the tip of the emitter. Application of the positive voltage will induce the electric field: [12] = ⁡ (/) where is the liquid radius of curvature. This field leads to liquid polarization: the negative/positive charge carriers migrate toward/away from the ...

3. List of vacuum tubes - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_tubes

   All have 1.25 volt DC filaments and directly heated cathodes. Some specify which end of the filament is to be powered by the positive side of the filament power supply (usually a battery). All have glass bodies that measure from 0.285 to 0.400 inches (7.2 to 10.2 millimetres) wide, and from 1.25 to 2.00 inches (32 to 51 millimetres) in overall ...

4. Sprayer - Wikipedia

   en.wikipedia.org/wiki/Sprayer

   Sprayers range in size from man-portable units (typically backpacks with spray guns) to trailed sprayers that are connected to a tractor, to self-propelled units similar to tractors with boom mounts of 4–30 feet (1.2–9.1 m) up to 60–151 feet (18–46 m) in length depending on engineering design for tractor and land size.

5. List of Henry vacuum cleaners - Wikipedia

   en.wikipedia.org/wiki/List_of_Henry_vacuum_cleaners

   Henry Cordless (HVB160) - A more compact version of the standard Henry model running off two 36-volt batteries, 6-litre capacity. [4] Henry Xtra (HVX200 and HVX160) - A version of the standard (9-litre) Henry model designed for carpet care and cleaning pet hairs. A smaller and more compact version of this model (which, like all the other ...

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. Henry (vacuum) - Wikipedia

   en.wikipedia.org/wiki/Henry_(vacuum)

   [12] Henry Cordless (HVB160) - A more compact version of the standard Henry model running off two 36-volt batteries, 6-litre capacity. [13] Henry Xtra (HVX200 and HVX160) - A version of the standard (9-litre) Henry model designed for carpet care and cleaning pet hairs. A smaller and more compact version of this model (which, like all the other ...