Common household and office products in which the choice of material is the invention, including a graphite writing core in a wooden casing, a bristled cleaning brush, an insulating flask and an air filled plastic cushioning sheet. Each is so familiar that its design is easy to overlook, yet each depends on a particular property of wood, graphite, glass, plastic or air. Products that belong to the glass, paper, adhesive and fastener groups, and all industrial processes and test equipment, are placed in other groups.
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Pencil (Wikipedia)
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A pencil ( ) is a writing or drawing implement with a solid pigment core in a protective casing that reduces the risk of core breakage and keeps it from marking the user's hand.
Toothbrush (Wikipedia)
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A toothbrush is a special type of brush used to clean the teeth, gums, and tongue.
Vacuum Flask (Wikipedia)
WikipediaHas Member: Vacuum Flask, Lead paragraphQuote, Has Member: Vacuum Flask, Lead paragraph
A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that slows the speed at which its contents change in temperature.
Bubble Wrap (brand) (Wikipedia)
Has Member: Bubble Wrap, Lead paragraphQuote, Has Member: Bubble Wrap, Lead paragraph
Bubble Wrap (originally Air Cap) is a trademarked brand of Sealed Air Corporation that includes numerous cushioning products made from bubble wrap.
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