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2. Volumetric flask - Wikipedia

   en.wikipedia.org/wiki/Volumetric_flask

   A 100 ml volumetric flask with stopper Volumetric flasks of various sizes.. A volumetric flask (measuring flask or graduated flask) is a piece of laboratory apparatus, a type of laboratory flask, calibrated to contain a precise volume at a certain temperature.

3. Vanishing spray - Wikipedia

   en.wikipedia.org/wiki/Vanishing_spray

   Vanishing spray is applied from an aerosol can carried by the referee in a holster secured to their shorts. The referee has full discretion on whether or not to use vanishing spray, and opponents are required to retreat 10 yards from the spot of a free kick regardless of whether vanishing spray is used (unless the team awarded the kick elects to take a "quick" free kick with opponents still ...

4. Beaker (laboratory equipment) - Wikipedia

   en.wikipedia.org/wiki/Beaker_(laboratory_equipment)

   (A) A low-form or Griffin form beaker (B) A tall-form or Berzelius beaker (C) A flat beaker or crystallizer Philips beaker which can be swirled like a conical flask. Standard or "low-form" (A) beakers typically have a height about 1.4 times the diameter. [3]

5. NFPA 704 - Wikipedia

   en.wikipedia.org/wiki/NFPA_704

   NFPA 704 safety squares on containers of ethyl alcohol and acetone. "NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National Fire Protection Association.

6. Oil mist - Wikipedia

   en.wikipedia.org/wiki/Oil_mist

   Oil mist may form when high pressure fuel oil, lubricating oil, hydraulic oil, or other oil is sprayed through a narrow crack, or when leaked oil connects with a high temperature surface, vaporizes, and comes in contact with low air temperature. This happens while the fluids interact with the moving parts during machining. [1]

7. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   Oxy-fuel torches are or have been used for: Heating metal: in automotive and other industries for the purposes of loosening seized fasteners. Neutral flame is used for joining and cutting of all ferrous and non-ferrous metals except brass.