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Since developing the all-steel vacuum flask in 1913, the Stanley company has cultivated a particularly rugged, if not decidedly masculine, image.

We also had 500 plastic bags, a vacuum flask of dry ice, and 350 cryogenic vials, each the size and shape of a pencil stub.

He was pumping the air from the vacuum flask, and took no notice; it was as if he’d already forgotten her.

The drink is hugely popular and it’s common to see people walking with gourd in hand and a vacuum flask of hot water tucked under their arm.

A small office, the floor cluttered with knee-high vacuum flasks.