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2. Policeman (laboratory) - Wikipedia

   en.wikipedia.org/wiki/Policeman_(laboratory)

   A policeman is a hand-held flexible natural-rubber or plastic scraper. The common type of it is attached to a glass rod and used in chemical laboratories to transfer residues of precipitate or solid on glass surfaces when performing gravimetric analysis. This equipment works well under gentle, delicate and precise requirement.

3. Spatula - Wikipedia

   en.wikipedia.org/wiki/Spatula

   The blades on these are usually made of metal or plastic, with a wooden or plastic handle to insulate them from heat. A cookie shovel is a turner with a larger blade, made for lifting cookies off a pan or baking sheet. A frosting spatula is also known as palette knife and is usually made of metal or plastic.

4. Putty knife - Wikipedia

   en.wikipedia.org/wiki/Putty_knife

   Putty knife used for glazing windows Two flexible-blade knives, 4" and 5" A putty knife is a specialized tool used when glazing single glazed windows, to work putty around the edges of each pane of glass. An experienced glazer will apply the putty by hand, and then smooth it with the knife.

5. Scraper (kitchen) - Wikipedia

   en.wikipedia.org/wiki/Scraper_(kitchen)

   A long-handled scraper can be used as a bowl scraper. Bowl scrapers (also known as rubber feet) are, as the name suggests, used to remove material from mixing bowls. Often, a plate scraper is used for this purpose, particularly since the long handle allows it to be used to remove contents of bowls as well as jars, such as mayonnaise jars; however, for bowls, dedicated scrapers are available ...

6. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   The glass sample vial of the corrosive and poisonous liquid has been cast into an acrylic plastic cube. Methyl methacrylate "synthetic resin" for casting (simply the bulk liquid chemical) may be used in conjunction with a polymerization catalyst such as methyl ethyl ketone peroxide (MEKP), to produce hardened transparent PMMA in any shape, from ...

7. Fibre-reinforced plastic tanks and vessels - Wikipedia

   en.wikipedia.org/wiki/Fibre-reinforced_plastic...

   Tanks listed as suitable for outdoor service are protected from UV attack by: coloring or pigmenting and/or adding internal stabilizers which preferentially absorb or dissipate the UV energy. Shading tanks from the sun will also prevent deterioration. Tanks must be free to expand or contract, avoid excessive tension on the tank.