What Is Glue Made Of?
Glue is a sticky liquid that can stick two or more things together. Glue can be made from plant or animal parts, or it can be made from oil-based chemicals. The first...
Read MoreGlue is a sticky liquid that can stick two or more things together. Glue can be made from plant or animal parts, or it can be made from oil-based chemicals. The first...
Read MoreHow Are Felt-tip Markers Made and How Do They Work? A felt-tip marker is a pen which has its own ink-source, and a tip made of porous, pressed fibers such as felt....
Read MoreThe “chew” in chewing gum is provided by a chewy plastic mixed with natural gums from trees. At the chewing-gum factory, the chewy gum base is mixed with...
Read MorePlastics are manufactured from chemicals that come from such materials as coal and petroleum. Petroleum, for example, is the source for different liquids and gases. One...
Read MoreHow Are the Pictures Formed on Camera Film? Photographic film is a thin sheet of plastic, coated with special chemicals. Where light rays hit the film, chemical changes...
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