1.   In a few rare cases, lava flows on land have taken place just as the magnetic field was undergoing a reversal.

2.   In rare cases where components differ in some way they will be pleased to give additional support.

3.   There are even rare cases when the employer accepts that you might be innocent and yet is entitled to dismiss you.

4.   Only in rare cases is the ancient rite of exorcism performed to cast out a troublesome demon.

5.   In rare cases the ureters may be thickened and stenosed, with consequent hydronephrosis.

6.   And in rare cases, though apparently not including his, the offending officials have been prosecuted.

7.   And in all but rare cases, endorsements are lined up before the Games.

8.   And in rare cases, the recipients have had to go to court to collect.

9.   And only in rare cases do they earn their money back.

10.   And there are rare cases of damage to the penis.