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June 2009

On this month's cover: Williams vertical roller mills are used for grinding and drying minerals and coal for the cement, minerals, and power industries. On the cover are two 90 in. (3.5 m) roller mills for grinding limestone to minus 325 mesh (40 µm). Features include externally- driven high efficiency turbine classifiers, external independant gear drives, and the ability to produce products from 3 mm to 40 µm and finer. Continuous product improvement and development for over 135 years has kept Williams in the forefront of roller mill technology.

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The Future’s Bright
Giorgio Bodo, Chairman and CEO of ASEC Cement, Egypt

A Small ‘Island of Stability’
Societe des Ciments d'Enfidha, Tunisia

Celebrating Clean Achievements
Paul Maxwell-Cook reports on Elex AG's 75th anniversary.

Free Digging
Dirk Tegtmeier, Product Manager, Excavators, Terex Mining, UK

Technology and Innovation
A description of Atlas Copco’s activities at Colle Pedrino quarry in Bergamo, Italy.

A Sand Solution
Metso Mining and Construction Technology, Finland.

Crushing in Quarries
Technical expertise provided by Bedeschi S.p.A., Italy.

Collective Hopes
Brian O’Sullivan, Volvo, UK.

Natural Solutions
Simon Walker, Contributing Author, UK.

What Lies Beneath
Katherine Markham visits John Drayton MBE at Cemex’s Barrington cement plant, UK.

Keeping an Eye on the Pyroprocess
Maurice Idoux, HGH Systèmes Infrarouges, France.

High-Tech Thermography
Alexander Hanf, Sales Director, Powitec, Germany

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