What hides this stereogram?

Stereogram - 3D Image

#brainteasers #stereogram #3Dimage

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Paying attention to those talking to you

Putting your phone away and paying attention to those talking to you. There is an app for that- It's called respect.

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Vacuum-cast steel

In 1957, the first vacuum-cast steel made in the U.S. was a 93,900-pound ingot, 78 inches in diameter. During the production process, the gases were entrapped by vacuum-stream degassing equipment (designed by the F.J. Stokes Corporation, Philadelphia, Penn.) The ingot was poured by the Bethlehem Steel Corporation, Bethlehem, Penn. Vacuum-cast steel can be made using either an electric or an open-hearth furnace to melt the metal.

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