1. The ultimate rarified type of ultra-high-end headphones are known as 'electrostatic' designs.

2. A private telephone was such a rarified, elite device that the telephone book was also considered a state secret.

3. In the rarified world of stamp collecting, there's an even smaller niche for collectors focused on used envelopes with rare stamps on the covers.

4. Regardless, one thing can be certain; He will be playing in the rarified air of the "Contract Year."

5. Though my fame and fortune rose, early on love began to doze. No longer young, I feel suffocated in this increasingly rarified atmosphere.

6. Like the fly that nourishes itself on death, I discern the specter of the grave in all its manifestations, from the grossest to the most rarified.

7. Mismatch is a cruel word to use at this rarified level of football, so let us just say the final was painfully one-sided.

8. In fact, they're better than good Christians because books are the purest, the most rarified extract of the originary goodness of the author: an absolutely unfallen, perfect creation.

9. A mug from Philosophy Football, suppliers of T-shirts to more rarified sports fans(sentence dictionary), reads "My other mug supports the abolition of the monarchy".

10. Foam Concentrate Proportioned is an equipment that provides mixed liquid for foam producing and ejecting equipment . it is suitable for 6% rarified concentration fluor protein foam fire extinguisher.

11. Beyond the photosphere in the chromosphere and the extremely rarified corona, which extends millions of kilometres into space.

12. It was nice for a day or two to stand on top of the mountain and breathe in the fresh, rarified air of the No. 1 seed all alone.

13. Sophisticated technology that helps drivers avoid a crash is accelerating its descent from the rarified reaches of super luxury cars.