Compose the words from A and C which are the metals to get thword in B which is an alloy. Comment what properties do these alloys possess

Model: copper brass zink

Commentary: The main constituents of brass are copper and zink. Due to zink it has an excelent corrosion resistance.

A	B	C
1 carbon (apr. 2%)	Bronze	a. aluminium
2. copper	Steel	b. iron
3 iron	Duraluminium	c. tin
4. magnesium	Cast	d. carbon (much)

Section V. The Chemical News

UNIT I SUPERDENSE WATER

Grammar: The Perfect Participle

The use of that.

Text: Superdense Water.