"Although thermonuclear problems offered intriguing scientific challenges, the reason to work on them was entirely practical."
From what you've told us, I'm convinced that the station you have in mind is entirely practical.
It was in a news bulletin, just after the war broke, and it seemed an entirely practical, positive, useful thing to do.
Though the calculations needed can be quite complex, they are entirely practical given today's modern processing power.
Whoever will lose his life, the same shall save it; an entirely practical and prosaic statement.
Let me say at once that I regard that as an entirely practical sentiment.
And in entirely practical terms, they have to compete in everything they do.
A. The choice of materials for most of the art sprinkled throughout the subway system is an entirely practical one.
It was a cunning bit of business, and entirely practical.
The Thomist begins by being theoretical, but his theory turns out to be entirely practical.