Materials and Construction
Titanium metal

None of these
Exists in three allotropic forms
Can not be welded
Is used in oceanographic and space exploration applications

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Materials and Construction
Nickel as a material of construction

Is used as an alloying element for both ferrous & non-ferrous alloys
Dimagnetic
Is paramagnetic below 415° C (its Curie temperature)
Has a body centred cubic (bcc) crystal lattice structure

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