products are stone wool and slag wool. Europe also includes glass wool, which together with ceramic fiber, are entirely artificial fibers that can be made into different shapes and are spiky to touch.

History

Slag wool was first made in 1840 in Wales by Edward Parry, "but no effort appears to have been made to confine the wool after production; consequently it floated about the works with the slightest breeze, and became so injurious

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