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2. Spot test (lichen) - Wikipedia

   en.wikipedia.org/wiki/Spot_test_(lichen)

   The lichen fragment is pressed on the paper, and lichen substances are extracted with 10–20 drops of acetone. After evaporating the acetone, the lichen substances are left on the paper in a ring around the lichen fragment. The filter paper can then be spot tested in the usual way. [22]

3. Aerosol spray dispenser - Wikipedia

   en.wikipedia.org/wiki/Aerosol_spray_dispenser

   Aerosol spray is a type of dispensing system which creates an aerosol mist of liquid particles. It comprises a can or bottle that contains a payload, and a propellant under pressure. When the container's valve is opened, the payload is forced out of a small opening and emerges as an aerosol or mist. Aerosol spray can

4. Spray bottle - Wikipedia

   en.wikipedia.org/wiki/Spray_bottle

   In the late 1960s, spray bottles with trigger-style actuators appeared and quickly became popular, as this design was less fatiguing to use. The original pump-style bottle remained more popular for applications like non-aerosol deodorants, where size was a factor and repeated pumps were not required.

5. Lichen product - Wikipedia

   en.wikipedia.org/wiki/Lichen_product

   Over 800 lichen products of known chemical structure have been reported in the scientific literature, and most of these compounds are exclusively found in lichens. [1] Examples of lichen products include usnic acid (a dibenzofuran ), atranorin (a depside), lichexanthone (a xanthone), salazinic acid (a depsidone), and isolichenan , an α-glucan .

6. Spray nozzle - Wikipedia

   en.wikipedia.org/wiki/Spray_nozzle

   Spray nozzles can have one or more outlets; a multiple outlet nozzle is known as a compound nozzle. Multiple outlets on nozzles are present on spray balls, which have been used in the brewing industry for many years for cleaning casks and kegs. [2] Spray nozzles range from those for heavy duty industrial uses to light duty spray cans or spray ...

7. Flit gun - Wikipedia

   en.wikipedia.org/wiki/Flit_gun

   FLIT manual spray pump for insecticides from 1928. A Flit gun is a hand-pumped insecticide sprayer used to dispense FLIT, a brand-name insecticide widely used against flies and mosquitoes between 1928 and the mid-1950s. Although named after the well-known brand, "Flit gun" became a generic name for this type of dispenser. [1]

8. Spray (liquid drop) - Wikipedia

   en.wikipedia.org/wiki/Spray_(liquid_drop)

   Aerosol spray can. A spray is a dynamic collection of drops dispersed in a gas. [1] The process of forming a spray is known as atomization. A spray nozzle is the device used to generate a spray. The two main uses of sprays are to distribute material over a cross-section and to generate liquid surface area.

9. Killing jar - Wikipedia

   en.wikipedia.org/wiki/Killing_jar

   A killing jar or killing bottle is a device used by entomologists to kill captured insects quickly and with minimum damage. [1] The jar typically contains plaster of Paris on the bottom to absorb a killing fluid.