4. Men must dig deep down into the earth to find them. The holes and
passages which they make are called mines.

5. All metals are heavy. All will melt in great heat, and all can be
hammered out into thin sheets or drawn out into wire.

_Write and learn:_

Metals are--
Heavy.
Useful.
Plentiful.

Metals can be--
Melted.
Hammered out.
Polished.

The common metals are--
Iron.
Lead.
Tin and copper.




NEEDLES. [_Page 71._


1. Needles are made of steel wire. In a needle-factory there are