Question 1: The ring holds the lid in place during the canning process, which creates a partial ________, sealing the lid until opened. | |||
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Question 2: A "popped up" (flat or convex) lid may be a sign of microbial growth, including potential ________, or seal failure. | |||
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Question 3: The earliest glass jars were called wax sealers, because they used sealing wax, which was poured into a channel around the lip that held on a ________ lid. | |||
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Question 4: In modern usage, the terms often refer specifically to jars featuring a two-piece cover: An inner, flat, metal or ________ lid, covered by a screw-on ring. | |||
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Question 5: A Mason jar is a glass jar used in ________ to preserve food. | |||
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Question 6: [1] They are also called Ball jars, after ________, a popular and early manufacturer of the jars; fruit jars because they are often used to store fruit; or generically glass canning jars. | |||
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Question 7: Mason jars are made of soda-lime glass, and come in a variety of sizes including quart, pint, half-________, and cup sizes, as well as in wide-mouth and regular mouth shapes. | |||
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