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There's the how and then there's the why of what #engineers do...
Magnificent slab of waterfall bubinga
Fire glass produces more heat than real wood, and also is environmentally friendly. There is no smoke, it’s odorless and doesn’t produce ash. You are able to stay toasty warm without cutting down trees and the specially formulated glass crystals give off no toxic deposit.
"Casting" wood into steel.
Hierarchies of Civil Engineering Jobs | Hierarchystructure.com