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A child safety lock is a special-purpose lock for cabinets, drawers, bottles, etc. that is designed to help prevent children from getting at any dangerous things or contents. Young children are naturally curious about their surroundings and will always explore, but as they may be unaware of dangerous substances or situations, the results can be ...
Harry Soref founded the Master Lock Company in 1921 and patented an improved padlock in 1924 with a patent lock casing constructed out of laminated steel. Linus Yale Sr. invented a pin tumbler lock in 1848. Linus Yale Jr. improved upon his father's lock in 1861, using a smaller, flat key with serrated edges that is the basis of modern pin ...
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The child-resistant locking closure for containers was invented in 1967 by Dr. Henri Breault. [7]A history of accidents involving children opening household packaging and ingesting the contents led the United States Congress to pass the Poison Prevention Packaging Act of 1970, authored by U.S. Senator Frank E. Moss of Utah.
Microwave ovens operate by emitting electromagnetic waves, particularly microwaves, which interact with water molecules in the food. These microwaves cause the water molecules to oscillate rapidly ...
Drawing up a comprehensive list of words in English is important as a reference when learning a language as it will show the equivalent words you need to learn in the other language to achieve fluency.
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The fourth child, Monika, is born. [53] December 1994: Monika, at ten months of age, is found in a pushchair (stroller) outside the entrance of the house. Shortly afterwards, Fritzl's wife Rosemarie receives a phone call, asking her to take care of the child. The caller sounds like Elisabeth, but it is assumed that Fritzl used a recording of ...