Title: Printed circuit board.
Question: Who was working on the same type of large-scale application of printed circuits as the U.S. in Britain in the mid-1950s?

Title: Hunting.
Question: What animals are usually hunted?

Title: Asphalt.
Question: What are the sources of natural deposits of asphalt?

Title: New York City.
Question:
What city has the most high-rise buildings in the world?