Category: Updates

When is shoring needed?

Score: 4.7/5 (25 votes) Trenches 5 feet (1.5 meters) deep or greater require a protective system unless the excavation is made entirely in stable rock. I...

Was does embankment mean?

Score: 4.8/5 (51 votes) 1 : a raised structure (as of earth or gravel) used especially to hold back water or to carry a roadway. 2 : the action of embank...

What is cyanotype printing?

Score: 4.7/5 (70 votes) Cyanotype is a photographic printing process that produces a cyan-blue print. Engineers used the process well into the 20th centu...