Comments

Author Comment Last activity Moderation
Engineerjaykumar "The expert view is so interesting. " | Read more » 6 months ago
Engineerjaykumar "This test is now available in market? If anybody has information share please because i want to use this type of device in research for concrete be..." | 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