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2. Laboratory glassware - Wikipedia

   en.wikipedia.org/wiki/Laboratory_glassware

   Borosilicate glass is a type of transparent glass that is composed of boron oxide and silica, its main feature is a low coefficient of thermal expansion making it more resistant to thermal shock than most other glasses. [10] Quartz glass can withstand very high temperatures and is transparent in certain parts of the electromagnetic spectrum.

3. Volumetric flask - Wikipedia

   en.wikipedia.org/wiki/Volumetric_flask

   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. Volumetric flasks are used for precise dilutions and preparation of standard solutions. These flasks are usually pear-shaped, with a flat bottom, and made of ...

4. Water pouring puzzle - Wikipedia

   en.wikipedia.org/wiki/Water_pouring_puzzle

   To obtain 4 liters using 3-liter and 5-liter jugs, we want to reach the point (4, 0). From the point (4, 0), there are only two reversible actions: filling the empty 3-liter jug to full from the tap (4,3), or transferring 1 liter of water from the 5-liter jug to the 3-liter jug (1,3). Therefore, there are only two solutions to the problem:

5. Glass bottle - Wikipedia

   en.wikipedia.org/wiki/Glass_bottle

   Glass bottles and glass jars are found in many households worldwide. The first glass bottles were produced in Mesopotamia around 1500 B.C., and in the Roman Empire in around 1 AD. [1] America's glass bottle and glass jar industry was born in the early 1600s, when settlers in Jamestown built the first glass-melting furnace.

6. Pail (container) - Wikipedia

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

   Three gallon plastic pail of paint with screw closure Steel pail of concentrated pesticide Open-head plastic pails being reused to carry other items. In technical usage in the shipping industry, a pail is a type of cylindrical shipping container with a capacity of about 3 to 50 litres (1 to 13 US gal).

7. Toxic chemical ‘Hall of Shame’ calls out retailers in time ...

   www.aol.com/toxic-chemical-hall-shame-calls...

   Trade in nonstick cookware and opt for stainless steel, glass or enamel products. Boycott takeout containers and other food packaging. Instead, cook most of your meals at home and eat more fresh ...