Mechanical Principles
There are three major considerations in the design of cranes. First, the crane must be able to lift the weight of the load; second, the crane must not topple; third, the crane must not rupture.
Read more about this topic: Crane (machine)
Famous quotes containing the words mechanical and/or principles:
“We are caught up Mr. Perry on a great wave whether we will or no, a great wave of expansion and progress. All these mechanical inventions—telephones, electricity, steel bridges, horseless vehicles—they are all leading somewhere. It’s up to us to be on the inside in the forefront of progress.”
—John Dos Passos (1896–1970)
“[E]very thing is useful which contributes to fix us in the principles and practice of virtue.”
—Thomas Jefferson (1743–1826)