New trick from old dog.
Collins
G P
GP
D001896:Boron Compounds; D002118:Calcium; D003300:Copper; D004553:Electric Conductivity; D017616:Magnesium Compounds; D011312:Pressure; D013696:Temperature
D001896:Boron Compounds; D017616:Magnesium Compounds; C078128:magnesium boride; D003300:Copper; D002118:Calcium; C030973:cupric oxide