This element, Pt, is used in crucibles & tongs because of its inertness & high fusing point
[DOC] [TLE] Platinum by Jack Kerr on Prezi [PAR] Mar 15, 2013 ... ... symbol is PT I am a chemical element The first writings describing Platinum 
were ... Because of its chemical inertness and high fusing point, platinum is 
valuable for laboratory apparatus, such as crucibles, tongs, funnels, combustion 
...