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Feb 26, 2016 / Haseeb Jamal -

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Physical Characteristics of Rocks

Author: Haseeb Jamal / Date: Mar 02, 2017 / Tags: Definition
Geologist define rock as aggregates or mass composed of one or more commonly, several of minerals. There are few exceptions to this rule: not all rocks are composed of minerals-for example, coal. Engineers (or contractor) define rock to be hard, durable material that can't be excavated without blasting. The definition is based on strength and durability.

Acoustic and Sound Proofing Materials

Author: Haseeb Jamal / Date: Mar 01, 2017 / Tags: Notes, Shallow, Definition, Types of
Materials which have substantially greater ability to absorb sound than other conventionally used materials (wood, glass, concrete) are called acoustic materials. A majority of tiles used for acoustic purposes are made from wood, cane fibers matted and bonded into sheets of various thickness ranging from (3/16) in to (5/4)in. The sheets are cut into tiles of different sizes.

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