Special model machine for waistcoat-shaped bag, for continuous automatic sealing and cutting to make bag with all kinds of plastic film, For making "waistcoat shaped bag".

用途： 对各种塑料薄膜连续自动封切成袋，然后将成袋自动冲口成“背心袋”。

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If you want to make it even harder, use a bag with handles rather than a strap.

如果你想让（偷窃）变得更困难，使用有提手的包而不是有带子的包。

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Before getting on a coach, a train or a plane, you must have the contents of your bag checked to make sure you aren't carrying any dangerous things.

乘长途客运汽车、火车或飞机前，你必须检查你包里的东西，以确保你没有携带任何危险的物品。

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But is it possible to make a bag that can survive twenty years of tides?

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To test this idea, Dr Hebets turned to her make-up bag and brought out two shades of nail varnish (NailSlicks, midnight metal and bronze ice, as her paper in the Proceedings of the National Academy of Sciences quite properly describes in its materials and methods section, in case any other researcher wishes to replicate the experiment).

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But more than just the organization, there are a lot of little things that make this a good bag to keep around.

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