Related Clues:

• Coke is used for this
• Bethlehem ___
• Word with plate or plant
• "Man of ___" (Superman)
• Very strong, as a stomach
• Tough stuff
• Render inflexible
• Make tough
• What tuning forks are made of
• Mixture of carbon and iron
• Strong building material
• Met Al at the slippery end of the street
• At the end of the street the twister is so metallic it sounds as if one might pinch it
• Sounds as if one might pinch what isn't 27 across
• Did not throw the driver away, of course