Nuclear pasta 1970-01-01
Petroleum jelly 1970-01-01
Philippinite 1970-01-01
Pitch (resin) 1970-01-01
Poly(methyl methacrylate) 1970-01-01
Polyamorphism 1970-01-01
Polycrase 1970-01-01
Slag 1970-01-01
Sugar glass 1970-01-01
Tektite 1970-01-01
Tetrahydrocannabinol 1970-01-01