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CAST IRON |
Hard metal |
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CASTIRON |
Hard metal |
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IRON |
Hard metal |
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MOLYBDENUM |
...n
nature in the minerals molybdenite and wulfenite, and when reduced
obtained as a hard, silver-white, difficulty fusible metal. Symbol Mo.
A... |
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SOFT |
...lded,
or cut; not firm in resisting; impressible; yielding; also, malleable;
-- opposed to hard; as, a soft bed; a soft peach; soft earth; soft ... |
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MANGANESE |
An element obtained by reduction of its oxide, as a
hard, grayish white metal, fusible with difficulty, but easily
oxidized. Its ores occur abu... |
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CALK |
To make an indentation in the edge of a metal plate, as
along a seam in a steam boiler or an iron ship, to force the edge of
the upper plate hard against the lower and so fill the crevice. |
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RUTHENIUM |
...
associated with platinum ores, and isolated as a hard, brittle
steel-gray metal which is very infusible. Symbol Ru. Atomic weight
103.5. Spe... |
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SCULPTURE |
...cing figures and groups,
whether in plastic or hard materials. ... |
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HOOK |
A piece of metal, or other hard material, formed or bent into
a curve or at an angle, for catching, holding, or sustaining anything;
as, a hook... |
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OSMIUM |
...und native
as an alloy in platinum ore, and in iridosmine. It is a hard,
infusible, bluish or grayish white metal, and the heaviest substance
... |
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WEDGE |
A piece of metal, or other hard material, thick at one end,
and tapering to a thin edge at the other, used in splitting wood,
rocks, etc., in r... |
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TUNGSTEN |
...tain
minerals, as wolfram and scheelite, and isolated as a heavy steel-gray
metal which is very hard and infusible. It has both acid and basic
... |
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CHROMIUM |
...antly in
the mineral chromite. Atomic weight 52.5. Symbol Cr. When isolated it
is a hard, brittle, grayish white metal, fusible with difficulty.... |
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BRONZE |
...tions of
other metals, especially zinc, are sometimes added. It is hard and
sonorous, and is used for statues, bells, cannon, etc., the proporti... |
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ENGRAVING |
The act or art of producing upon hard material incised
or raised patterns, characters, lines, and the like; especially, the
art of producing su... |
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URANIUM |
...n rare
minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard,
nickel-white metal which is quite permanent. Its yellow oxide is u... |