The spread test of concrete (also called the flow table test or flow test) is used to measure the workability or consistency of highly workable concrete — especially self-compacting concrete (SCC) or very fluid mixes where a slump test isn’t suitable. #construction #trending #reels #foryou #engineering | CivilEngineer

Lisa Barrett is an infectious diseases expert from Dalhousie University. She’s administered a lot of COVID-19 rapid antigen tests. For people considering using the tests over the holidays, Barrett stresses that rapid tests are great for screening but aren’t a substitute for vaccination and other COVID safety protocols like distancing and masking. In this example, Barrett uses an Abbott Panbido at-home rapid test, but there are other similar tests available. She stresses there are a couple of poi