Summary: In engineering, the transition from idea to product requires that the engineer produce clear proposals demonstrating the idea's practicality and economic feasibility. Smelser describes how writing is a key element in this process. Engineers don't need to know how to write.
Cradle to gate Cradle to gate is a boundary condition associated with embodied carbon, carbon footprint and LCA studies. A study to these boundaries considers all activities starting with the extraction of materials from the earth (the cradle), their transportation, refining, processing and fabrication activities until the material or product is ready to leave the factory gate.
The post and lever latch is installed between the two double gates in your chain link fence. Turn and lift the lever to raise the post out of its ground hole to open the gates.