1.   They can pose a hazard to repair crews.

2.   When operated in wide expanses of water, away from other people, jet skis pose no hazard.

3.   And garbage is piled so high that it poses a hazard to jets streaming in and out of the international airport.

4.   And keeping an empty barn, a tempting place for adventurous children, can pose liability hazards.

5.   Beyond that, implant chips, being electronic, could pose a hazard to surrounding eye tissue by the heat they produce.

6.   Board of Education officials acknowledged the contamination Friday, but denied that it posed a hazard to those in the building.

7.   A handful of building superintendents were already using tinted saltlike products for sidewalks, made from safe food dyes that seemed to pose no hazards.

8.   Airport administrators fret that birds attracted to the habitat pose a hazard to pilots and planes.

9.   But hormone use may pose hazards.

10.   But the rifle association contends that including the markers in explosives may pose safety hazards, and congressional Republicans have balked at the proposal.