What was the major source of rare earth deposits in the U.S. until 2002?

Верно ли следующее утверждение:

The major source of rare earth deposits in the U.S. was at Mountain Pass, Calif.

Why mining rare earth elements isn't profitable?

Верно ли следующее утверждение:

The U.S. has almost no necessary infrastructure to manufacture the rare earth metals.

Верно ли следующее утверждение:

China appears to view rare earth metals as one of the incentives they can offer a technology firm.

Touch-screen interfaces on mobile phones are rare now.

Are the most major PC makers really "manufacturers."?

The computer performs a power-on self-test (POST) to make sure all the major components are functioning properly.

Buy a so-called "name-brand" or "major-brand" if upgrading may be on your mind a couple of years down on the road.

What did a mall REIT based in Santa Monica, Calif., did to a major renovation of its Queens Center Mall?

What did a mall REIT based in Santa Monica, Calif., did to a major renovation of its Queens Center Mall?