METALS

(See also Alloys; Metalworkers; Mining; Refining)

alloy that “remembers” its original shape when heated: g87 1/22 30

device to analyze trace impurities: g88 7/22 30

furnaces for: it-1 875

metal detectors: g05 9/22 27

mined in Bible times: it-2 406

number: it-2 389

precious metals in rotting trees: g 10/08 30

properties: it-2 389

recovered from industrial refuse: g92 9/22 29

refining: w87 6/15 10-11, 16-17

ancient times: it-2 764; w89 7/1 30

copper: it-2 764; w13 12/1 13

gold: it-2 764

gold (using bacteria): g89 8/22 29; g88 3/8 30

iron: it-2 764

lead: it-2 228, 764

removing heavy metals from soil: g96 9/22 29

aluminum:

copper:

electrum:

gold:

iron:

lead:

platinum:

silver:

steel:

tin:

titanium: g03 4/8 29