Building Materials
Cast iron

Is obtained by purifying pig iron
May contain 2 to 5 per cent of carbon with other impurities
All listed here
Is manufactured in required shapes

ANSWER DOWNLOAD EXAMIANS APP

Building Materials
The thermosetting plastic

Chars at 343°C
At 127°C to 177°C permanently set and further application of heat does not soften it
Becomes rigid when moulded at suitable pressure and temperature
All listed here

ANSWER DOWNLOAD EXAMIANS APP