Researchers from Universiti Teknologi MARA in Selangor, Malaysia, discovered sewer sludge is a potential alternative cement material for making concrete. Kartini Kamaruddin and her team produced domestic waste sludge powder (DWSP) by drying and...

The Standards Council of Canada (SCC) joined the American National Standards Institute (ANSI) to create a standard for balloon-type ball backwater valves for the plumbing and heating industries. The new standard is a first...