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  2. Sink - Wikipedia

    en.wikipedia.org/wiki/Sink

    A sink/basin in a bathroom Enamel washbowl and jug Sink in Croatian National Theater in Zagreb, Croatia. A sink (also known as basin in the UK) is a bowl-shaped plumbing fixture for washing hands, dishwashing, and other purposes. Sinks have a tap (faucet) that supplies hot and cold water and may include a spray feature

  3. Timeline of historic inventions - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_historic...

    The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...

  4. Ermal C. Fraze - Wikipedia

    en.wikipedia.org/wiki/Ermal_C._Fraze

    By 1965, around 75% of U.S. breweries were using them, but in the mid-1970s, pressure from environmentalists due to litter led to the development of the non-removable tabs used today. By 1980, his company was supplying can-end machinery worldwide making over $500 million in annual revenue.

  5. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    At first, the heavier solids were channeled into ditches on the side of the farm and were covered over when full, but soon flat-bottomed tanks were employed as reservoirs for the sewage; the earliest patent was taken out by William Higgs in 1846 for "tanks or reservoirs in which the contents of sewers and drains from cities, towns and villages ...

  6. BBC Bitesize - Wikipedia

    en.wikipedia.org/wiki/BBC_Bitesize

    The Key Stage 1, 2 and 3 along with GCSE section covers a range of subjects. In Key Stage 1 , 17 subjects are available, including Art and Design , Computing , Design and Technology , English , Geography , History , Maths , Music , Physical Education , PSHE , Citizenship , Religious Education , Science , and Modern Foreign Languages . [ 5 ]

  7. History of chemistry - Wikipedia

    en.wikipedia.org/wiki/History_of_chemistry

    However, though some principles deduced from quantum mechanics were able to predict qualitatively some chemical features for biologically relevant molecules, they were, till the end of the 20th century, more a collection of rules, observations, and recipes than rigorous ab initio quantitative methods.

  8. Timeline of post-classical history - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_post-classical...

    The following is a timeline of major events in post-classical history from the 5th to 15th centuries, loosely corresponding to the Old World Middle Ages, intermediate between Late antiquity and the early modern period.

  9. Kitchen - Wikipedia

    en.wikipedia.org/wiki/Kitchen

    In some homes, there were upwards of three kitchens. The kitchens were divided based on the types of food prepared in them. [4] The kitchen might be separate from the great hall due to the smoke from cooking fires and the chance the fires may get out of control. [5] Few medieval kitchens survive as they were "notoriously ephemeral structures". [6]

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