basic mineral 예문

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1. Tilcon extracts basic minerals for the construction business.
2. When processing basic mineral deposits ( clay, shale, limestone, etc . ), Flux-Powered Screen Heating Systems are ideal.
3. In all these mines it is possible to collect nice samples of the basic minerals : quartz, feldspar and mica.
4. The basic minerals found here are : coal ( reserves  25 billion tons ), rock salt, lime carbonate, potassium, mercury, asbestos, and graphite.
5. Earth and Venus are made of the same basic minerals, they're close in size and mass, and are thought to have similar seismic, volcanic and tectonic activity.