More than one-third of home test kits sent in for testing by residents to the city’s environmental agency over the past decade had some level of lead — results that reflect many New Yorkers’ continued ...

The increased growth in the development and use of plastic pipes for oil pipelines, gas and water distribution, and ducting for telephone and electrical cables, etc. has created a need for a vast ...

Polyvinyl chloride pipes have become the backbone of modern plumbing, drainage, and irrigation systems worldwide. Understanding the intricate manufacturing process behind these ubiquitous construction ...