seventeenth-century mentor spring in Lisbon Carriage Museum The earliest recognized leaf springs started appearing on carriages in France during the mid-seventeenth century in the shape of The 2-element elbow spring (as being the illustrated illustration from Lisbon), and afterwards migrated to England and Germany,[six] showing over the carriages o
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SMART Vocabulary: associated words and phrases Chemistry: varieties of chemical acid salt aerogel alkali steel alkaline alkalinity alkaloid antioxidant carbohydrate inorganic ketone lectin melamine methyl orange monomer monosaccharide mothball propellant reactant saline soluble See more results » /concept /verifyErrors The word in the instance sen