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Use of sea water. Treatment of sea water. Chemical properties of magnesium. Derivation and users of magnesium.
how;make of what;make from what;make of how;make from
From their own mines. From importers. From other silversmiths. From customers.
lightweight, rustproof but not easily shaped into different forms heavyweight, rustproof and easily shaped into different forms lightweight, rustproof and easily shaped into different forms lightweight and easily shaped into different forms but it is easy to become rusty
scenarios places applications programs
It is strong. It conducts heat well. It weighs little. It is inexpensive to produce.
depends on dependent on derives from derived from
To build Being built Having built Built
The development of insulation materials. Increased airplane production. Improved medical facilities. The development of the cheap inks for printing.
Procurement Retailing Wholesaling Outsourcing
rocks found on land great amounts of ocean water the sea floor major industrial sites
to; in with; from to ; from from; in
depends on dependent on derives from derived from
the broken ,rock resulting from the impact of a meteorite against the earth material that exists on planets other than the earth a composite of rock typical of continental areas of the earth material that is man-made to simulate materials that existed far back in geological history
signaling that all personnel are clear before lifting or lowering material Examining material for sharp edges or protruding points before handling Closing, tagging, or securing valves that permit entrance of steam, water, or airinto a fitting or other equipment Throwing materials from high places to the deck
declined greatly remained stable increased slightly risen dramatically
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