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sumnameforus

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    Little history of helmets.
    9:49

    Little history of helmets.

     144  views
    History of glass.
    9:49

    History of glass.

     23  views
    Little understanding of history of paper
    9:51

    Little understanding of history of paper

     163  views 1 comment
    What is drywall?
    9:44

    What is drywall?

     52  views
    A brief history of stainless steel.
    9:44

    A brief history of stainless steel.

     61  views
    How big is a forest?
    9:22

    How big is a forest?

     141  views
    The talk with chalk.
    9:53

    The talk with chalk.

     45  views
    What is a forest fire?
    9:55

    What is a forest fire?

     20  views
    Have you heard about radios?
    6:52

    Have you heard about radios?

     68  views
    What is the story with brass?
    4:57

    What is the story with brass?

     45  views
    Brief history of cement.
    4:05

    Brief history of cement.

     48  views
    The thing about dreams
    1:10

    The thing about dreams

     48  views
    Let's look at concerts.
    8:49

    Let's look at concerts.

     13  views
    Definition of dust.
    7:59

    Definition of dust.

     11  views
    Geometrical shapes.
    1:13

    Geometrical shapes.

     33  views
    How's cottage life?
    1:22

    How's cottage life?

     27  views
    The history of pianos.
    8:54

    The history of pianos.

     26  views
    How is the artic?
    6:34

    How is the artic?

     49  views
    The calculator.
    7:44

    The calculator.

     62  views
    How is your table lamp?
    7:38

    How is your table lamp?

     26  views 1 comment
    What is the nature of cloth?
    7:40

    What is the nature of cloth?

     19  views
    What is city lights?
    7:06

    What is city lights?

     37  views
    Are there different lightnings?
    12:50

    Are there different lightnings?

     18  views
    What is cool in helicopters' today?
    13:36

    What is cool in helicopters' today?

     38  views
    Is ice everywhere?
    8:10

    Is ice everywhere?

     737  views