1.   Besides the airlines, most of the other work sites affected by the indefinite walkout were in the metals and chemical industries.

2.   Without agreement on salaries, the unions threaten to set up roadblocks Sunday night in an indefinite walkout to press their salary and benefit demands.

3.   Without agreement, the unions threaten to set up roadblocks Sunday night in an indefinite walkout to press their salary and benefit demands.

4.   Without an agreement on salaries, the unions threaten to begin setting up roadblocks Sunday night in an indefinite walkout to press their demands.

5.   South Korean unions pledged Sunday an indefinite walkout unless the government repeals an unpopular labor law, as prosecutors reportedly geared for a crackdown on union leadership.

6.   South Korean union leaders pledged an indefinite walkout Sunday unless the government repeals an unpopular labor law, leaving little hope the labor crisis would end soon.

7.   The labor challenge has been led by Hyundai group unionists who entered an indefinite walkout Thursday and staged angry protests in the southeastern city of Ulsan.