ansportation. In Europe and North America at least,cars contribute sulphur, nitrogen and carbon based compounds into the atmosphere. They then transform into acids and other harmful components more than any other type of source.
Aviation, shipping and other types of transport just add more air polution to these effects.
Industry. Manufacturing, packaging and support functions [...]
Entries Tagged as 'Education'
air pollution
January 15th, 2007 · No Comments
Tags: Education
FIBER ON CONCRETE AND STEEL
December 13th, 2006 · No Comments
Synthetic Fibers
From the development of the first micro-synthetic fibers more than 20 years ago to the latest breakthrough in macro-synthetic fibers, Propex Concrete Systems is your single source for synthetic fiber solutions.
Micro-synthetic
Expressly formulated to address early age cracking problems, Fibermesh® micro-synthetic fibers prevent 80-100% of all cracks in the plastic state - precisely when [...]
Tags: Education
feng shui
November 17th, 2006 · No Comments
Science or Superstition
Feng Shui has gained widespread popularity in the United States and around the world. Originating in China more than 2,000 years ago, it has quickly become a favoured living skill that has been incorporated seamlessly into architecture, interior decor, building development and home living.
Tags: Education
concrete
November 17th, 2006 · No Comments
History
The Assyrians and Babylonians used clay as cement in their concrete. The Egyptians used lime and gypsum cement. In the Roman Empire, concrete made from quicklime, pozzolanic ash / pozzolana and an aggregate made from pumice was very similar to modern Portland cement concrete. In 1756, the British engineer John Smeaton pioneered the use of [...]
Tags: Education