Comments

Author Comment Last activity Moderation
Engineerjaykumar "I think this frac sand mine in western Wisconsin want quarry the rocks for the manufacture of cement, because as demand of the cement for concrete ..." | Read more » 6 months ago
Engineerjaykumar "The expert view is so interesting. " | Read more » 6 months ago
Engineerjaykumar "We breathe in 20,000 breaths each day, according to the American Lung Association, 90 percent of which occur indoors. The air inside of our homes i..." | Read more » 6 months ago
Engineerjaykumar " I am telling a advice about to use the Perfect construction technology and proper Admixtures in concrete , if well is constructed with concrete , ..." | Read more » 9 months ago
Engineerjaykumar "There is so many test for this these are: Nitrate can be removed from drinking water by three methods: distillation, reverse osmosis, and ion excha..." | Read more » 10 months ago