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The term “tolerance” originates from the Latin word “tolerare”, meaning to endure, withstand, or bear. In everyday language, it often describes the acceptance of different beliefs, religions, cultures, worldviews, or …

The term polyolefins refers to polymers produced from alkenes such as ethene, propene, butene, 2-methylpropene, and 4-methyl-1-pentene. Polyolefins are saturated hydrocarbons characterized by low density, good chemical resistance, low water …

Fully demineralised water, also known as deionised, demi-water, demineralised, distilled, or ultrapure water — all look just like regular tap or spring water but contain very few or no foreign …

Rubber was already known to the Maya, who used it to produce waterproof containers and elastic balls and to bond shoes. It is obtained by tapping the rubber tree, which …

Persistent Organic Pollutants (POPs) are organic compounds that are harmful to humans and animals and degrade only very slowly in the environment. They contaminate air, soil and water and can …

Screws, Nuts, and Threads – a Brief Overview What do a toothpaste tube, a jar of jam, a water bottle, and a light bulb have in common? A screw connection. …

How Hot Is It Really? The air that surrounds us everywhere affects our comfort and well-being through its temperature. If it is too hot or too cold, we feel uncomfortable. …

In 2011, people became ill, and some even died as a result of an EHEC outbreak—an intestinal infection caused by the enterohemorrhagic Escherichia coli bacterium. The cause was fenugreek sprouts …

The Birth Certificates of Chemical Substances In chemical research – and especially in the development of new chemical products – detailed knowledge of the properties of the raw and auxiliary …

If you need to insulate a damaged cable or install new wiring, it’s always a good idea to have a few heat shrink tubes on hand. Thanks to their adaptable …