S
SafeLeig, 214t
SafeLeigh Premium, 214t
Sakamura Press Company, 458–459
Samarium, 132–136
Sampling, 47–48, 127–129
San Shing Fastech Company, 458–459
Sanitary landfilling, 498
Sanitation and public health, 497–498
Sauter mean diameter, 41
Scandium, 132, 136
Scarcity of materials, 491–492
School Can Program, 522–523
Scrap
classification, 68
copper, 86–87
types, 87t
diversion, 463–464
rates, reducing, 457–459
sizing, 40–41
steel
detinning of, 78
dilution with ore-based iron units, 81
European specifications, 69t
impurities in, 79
processing, 68–70
purification, 76–79
quality, 72–74
recycling, 68f
smelting of, 70–72, 71f
surface area effect on recovery, 309–310, 310f
Scrap Recycling Industry Inc., 86
Screen, 537–538
Screening
in construction and demolition, 392, 395
in paper recycling ...

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