Uncontrolled reverberations transform sound into noise, disrupting effective communication.

INTERNAL CORRESPONDENCE PLAINTIFF'S EXHIBIT UNION CARBIDE CORPORATION lEChwcAi. center PQ BOX B261.

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DIRECTIONS FOR APPLYING GiATEX* SIDING SHINGLES PLEASE OBSERVE THESE PRECAUTIONS: Store the shingles in a perfectly dry place, preferably in a building, if impos sible to store inside, pile bundles of shingles flat on planks at least 4" from the ground, and protect them carefully with a waterproof covering.

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DIRECTIONS FOR SABINITE FLOAT FINISH (F) MIXING SABINITE Float Finish is a prepared acoustical plaster requiring the addi tion of clean water only.

DIRECTIONS FOR APPLYING GLATEX* SIDING SHINGLES PLAINTIFF'S EXHIBIT PLEASE OBSERVE THESE PRECAUTIONS: Store the shingles in a perfectly dry place, preferably in a building.

Asbestos Surveys in School Buildings: A Comprehensive Approach Contact: Dwight E.

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/ 11 ) I I Atlas Asbestos Company Limited 5600 HOCHELAGA STREET Montreal PLAINTIFF'S EXHIBIT ASBESTOS, MAGNESIA and ALLIED PRODUCTS USG-1532 April 5, I960 Mr.

PLAINTIFF'S EXHIBIT

HISTORICAL FILE Y/yrrr/n-.yMcoi'-Y' tecfee r>' J,/f(X i'f.rr fl Oct ^2JS 00 NOT DtS'-ROY 6ITS UNITED STATES GYPSUM ROOFING AND SIDING PRODUCTS SEPTEMBER 1964 JERSEY CITY MILL UNITED STATES GYPSUM COMPANY 101 SOUTH WACKER DRIVE CHICAGO, ILLINOIS BB026 0713 One of the finest custom shingles ever made --ideal for churches, insti tutions and public buildings as well as custom built homes.

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UTEX 001143 Published by Klinger Internationsl Export Gee. m. b.