Some of them will doubtless be good draughtsmen.

You'll take these men and see to it that the drawing is pushed forward.

But you won't work too hard yourself.
You'll see to it that the force under you is working, and in that way you'll be three times as useful as if you merely ground and dug hard by yourself.

I shall go light on real work, just in order that I may have my eyes and brains where they will do the most good every minute of the time." Someone was approaching.

Tom threw open the flap of the tent, thus discovering that the man was Black.
"Howdy, Reade," was the greeting of the idle engineer.