Related Clues:

• What tuning forks are made of
• Eraser in bridge
• Match of three games at bridge
• Mixture of carbon and iron
• Latex from trees
• Strong building material
• Eraser or tough elastic substance
• Elastic substance from trees
• Match of three successive games at bridge
• Is that for removing a bit of the bridge?
• Met Al at the slippery end of the street
• Polish worker
• At the end of the street the twister is so metallic it sounds as if one might pinch it
• The elastic part of 9 across
• Might this remove a bit of the bridge, perhaps