insulated coating
81Bottle — This article is about bottles in general. For baby bottles, see Baby bottle. Composite body, painted, and glazed bottle. Dated 16th century. From Iran. New York Metropolitan Museum of Art …
82Screw cap — A screw cap or closure is a common type of closure for bottles, jars, and tubes. Common screw closures: Plastic bottle with plastic screw cap, Dispensing closure for salad dressing (with inner seal), Break away closure for syrup, Dispensing pump… …
83Skin effect — Skin depth redirects here. For the depth (layers) of biological/organic skin, see skin. Skin effect is the tendency of an alternating electric current (AC) to distribute itself within a conductor with the current density being largest near the… …
84Echo chamber — For metaphorical echo chambers in media, see Echo chamber (media). Echo chamber of the Dresden University of Technology …
85Fused quartz — A sphere manufactured by NASA out of fused quartz for use in a gyroscope in the Gravity Probe B experiment. It is one of the most accurate spheres ever created by humans, differing in shape from a perfect sphere by no more than 40 atoms of… …
86Oven — depicted in a painting by Jean François Millet An oven is a thermally insulated chamber used for the heating, baking or drying of a substance.[1] It is most commonly used for cooking …
87Cathode heater — A cathode heater is a filament used to heat the cathode in a vacuum tube or cathode ray tube. Before transistors and integrated circuits came into widespread use, electronic devices used vacuum tubes. The cathode element had to achieve the… …
88Mug — This article is about the beverage container. For other uses, see Mug (disambiguation). A Wikipedia mug as a white glazed ceramic mug A mug is a sturdily built type of cup often used for drinking hot beverages, such as coffee, tea, or hot… …
89Lead glass — Swarovski flacon. Lead glass is a variety of glass in which lead replaces the calcium content of a typical potash glass.[1] Lead glass contains typically 18–40 weight% lead(II) oxide (PbO), while modern lead …
90Barrel — For other uses, see Barrel (disambiguation). For the use of oak aging barrels in wine, see Oak (wine). Traditional oak barrels in Chile …
