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2. Round-bottom flask - Wikipedia

   en.wikipedia.org/wiki/Round-bottom_flask

   Both distilling (2, left) and receiving (8, right) flasks are round-bottom flasks. Round-bottom flasks (also called round-bottomed flasks or RB flasks) are types of flasks having spherical bottoms used as laboratory glassware, mostly for chemical or biochemical work. [1] They are typically made of glass for chemical inertness; and in modern ...

3. Twistlock - Wikipedia

   en.wikipedia.org/wiki/Twistlock

   Twistlock, unlocked v. locked position. A twistlock or twist lock, together with matching corner castings, as defined in norms including ISO 1161:1984, form a standardized (rotating) connector system, for connecting and securing intermodal, and predominantly ISO-standard international shipping containers. The primary uses are to securely stack ...

4. Fishing rod - Wikipedia

   en.wikipedia.org/wiki/Fishing_rod

   Fishing rod. A collection of fishing rods. A fly fishing rod. Line guides on modern fishing rods. Fishing with a fishing rod. A fishing rod is a long, thin rod used by anglers to catch fish by manipulating a line ending in a hook (formerly known as an angle, hence the term "angling"). At its most basic form, a fishing rod is a straight rigid ...

5. Closure (container) - Wikipedia

   en.wikipedia.org/wiki/Closure_(container)

   Closure (container) An aluminum bottle with a threaded aluminum screw closure. A closure is a device used to close or seal a container such as a bottle, jug, jar, tube, or can. A closure may be a cap, cover, lid, plug, liner, or the like. [1] The part of the container to which the closure is applied is called the finish.

6. Beaker (laboratory equipment) - Wikipedia

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

   In laboratory equipment, a beaker is generally a cylindrical container with a flat bottom. [ 1 ] Most also have a small spout (or "beak") to aid pouring, as shown in the picture. Beakers are available in a wide range of sizes, from one milliliter up to several liters. A beaker is distinguished from a flask by having straight rather than sloping ...

7. Polystyrene - Wikipedia

   en.wikipedia.org/wiki/Polystyrene

   The city will introduce bylaw amendments to prohibit business license holders from serving prepared food in polystyrene foam cups and take-out containers, beginning 1 June 2019. [95] In 2019, the European Union voted to ban expanded polystyrene food packaging and cups, with the law officially going into effect in 2021. [96] [97]