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  2. Borosilicate glass - Wikipedia

    en.wikipedia.org/wiki/Borosilicate_glass

    Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10 −6 K −1 at 20 °C), making them more resistant to thermal shock than any other common glass. Such glass is subjected to less thermal ...

  3. Lunchbox - Wikipedia

    en.wikipedia.org/wiki/Lunchbox

    Lunch box and vacuum bottle owned by Harry S. Truman. A collection of lunch boxes for school students. Insulated thermal bag with ice packs. A lunch box[1][2][3] (alt. spelling lunchbox) [4][5][6] refers to a hand-held container used to transport food, usually to work or to school. It is commonly made of metal or plastic, is reasonably airtight ...

  4. Laboratory glassware - Wikipedia

    en.wikipedia.org/wiki/Laboratory_glassware

    Laboratory glassware. Laboratory glassware is a variety of equipment used in scientific work, traditionally made of glass. Glass may be blown, bent, cut, molded, or formed into many sizes and shapes. It is commonly used in chemistry, biology, and analytical laboratories.

  5. Wu Tao Chishang Lunch Box Cultural History Museum - Wikipedia

    en.wikipedia.org/wiki/Wu_Tao_Chishang_Lunch_Box...

    At the front of the building lies two vintage rolling stocks offer the nostalgic environment for a time when travelers would buy a lunch box to take with them on their train journey. On the second floor lies the museum which is devoted to the local rice culture.

  6. Tin box - Wikipedia

    en.wikipedia.org/wiki/Tin_box

    A variety of containers with hinged covers used to package Altoids breath mints. These are often known as "flip top cans" [1] A tin box is a tinplate container. Tinplate metal is primarily steel with a very thin tin coating. Tin-free steel is also used. In some cultures, these boxes or cans are referred to as "tin boxes" or sometimes even "tins ...

  7. Four boxes of liberty - Wikipedia

    en.wikipedia.org/wiki/Four_boxes_of_liberty

    The jury box represents using jury nullification to refuse to convict someone being prosecuted for breaking an unjust law that decreases liberty. The cartridge box represents exercising one's right to keep and bear arms to oppose, in armed conflict, a tyrannical government. The four boxes represent increasingly forceful methods of political action.