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But as competition has increased and growth slowed, the groups known locally as chaebol, have increased hiring of temporary and subcontracted workers to cut costs, boost production and make it easier to dismiss staff when demand fluctuates, experts and industry officials say.

But its EBIT margin (profit/loss before financial result as a percentage of revenues) in the automotive segment -- a key indicator of profitability -- sank to 9.0 percent in the first quarter, compared to 9.4 percent a year ago.

But Pittsburghers need to know what could happen.

But competitors are pressing in.

But none of the more than 150 vaccines in the research pipeline worldwide have completed phase 3 safety and efficacy clinical trials, Garrett said.