The bodies of aircraft are often made using aluminium.
Which two properties of aluminium make it suitable for this purpose?
1 )
property 1: good conductor of electricity / property 2: good conductor of heat
2 )
property 1: good conductor of electricity / property 2: strong
3 )
property 1: good conductor of heat / property 2: low density
property 1: strong / property 2: low density
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