John Locher, Associated Press
In this April 1, 2015, file photo, a worker helps construct the VIP area at the Rock In Rio USA music festival site in Las Vegas. The southwestern mecca of entertainment will offer even more talent starting Friday, May 8, 2015, with the two-weekend Rock in Rio USA music festival headlined by Metallica, Taylor Swift, No Doubt and Bruno Mars.

WASHINGTON — Construction and manufacturing — two bedrock sectors of the American economy — landed on opposite ends of April's jobs report.

Construction companies added 45,000 jobs during the month, bringing their year-to-date total to 108,000. Most of April's gains came from the "specialty trade contractors" subsector, which includes carpenters, electricians, plumbers and painters.

By contrast, manufacturing job growth remained basically flat, reflecting the beating the industry is taking from the rise in the value of the dollar. A strong dollar makes U.S. exports less competitive in overseas markets because they become more expensive. It also makes imports cheaper for U.S. consumers.

Manufacturers added just 1,000 jobs in March and April combined.

Overall, U.S. employers added 223,000 jobs in April. The unemployment rate fell to 5.4 percent, the lowest level since May 2008.