Harris courts Michigan's working-class voters on her second visit to the battleground since Saturday

WARREN, Mich. (AP) — Vice President Kamala Harris courted Michigan's working-class voters on Monday, highlighting the administration's work to bring more factory jobs to the state and her support for labor unions.

“I'm here, I'm here for you,” the Democratic presidential nominee told workers after she toured an International Union of Painters and Allied Trades training facility in Warren. She contrasted her support for labor unions to former President Donald Trump, her Republican rival.

“He's not working for or concerned about working people, middle-class people,” Harris said of Trump.

She specifically called out the way Trump filled the National Labor Relations Board, the federal agency that enforces labor laws in the United States, with anti-union figures, a frequent criticism levied against Trump by union members. She also hit Trump for lauding ally Elon Musk, the businessman and owner of the social media platform X, for discussing firing striking workers.

Earlier in Saginaw, she toured a semiconductor factory to emphasize how government funding for computer chip manufacturers could create factory jobs in Michigan, where she and Trump have been fighting to win in the upcoming election. She visited days after Trump criticized the bipartisan 2022 law that provides the federal money and said he would rather just charge tariffs.

Last week, the Commerce Department said Hemlock Semiconductor would receive up to $325 million in direct support to build a new factory making hyper-pure polysilicon, a building block for electronics and solar panels, among other technologies. The new facility would add 180 factory jobs in Michigan.

Harris told workers there that the United States has to keep pushing forward.

“We have to constantly be on top of what is happening, what is current, and investing in industries of the future as well as honoring the traditions and the industries that have built up America's economy," she said. "And what you all are doing here is exactly that.”

The vice president was also holding a campaign rally later Monday in Ann Arbor, home to the University of Michigan and a large pool of college graduates, an increasingly large Democratic constituency. The event will feature singer-songwriter Maggie Rogers.

Beyond Monday's focus on manufacturing, Harris has been using the closing days of the election to press multiple messages with diverse groups of voters.

For Black and Latino men, she has played up forgivable loans for small businesses, among other economic policies. At a Friday rally in Houston with Beyoncé, she stressed for women her support for abortion rights. And hanging over all of that, Harris has said she believes Trump is a fascist and a threat to democracy.

As of August, the CHIPS and Science Act had provided $30 billion in support for 23 projects in 15 states that would add 115,000 manufacturing and construction jobs, according to the Commerce Department. That funding helped to draw in private capital and would enable the United States to produce 30% of the world's most advanced computer chips, up from 0% when the Biden-Harris administration succeeded Trump's presidency.

Still, Trump attacked the policy in a Friday night interview recorded for “The Joe Rogan Experience," a popular podcast.

“We put up billions of dollars for rich companies to come in and borrow the money and build chip companies here, and they’re not going to give us the good companies anyway," the Republican nominee told the podcast. In fact, the money has gone to industry leaders such as Taiwan Semiconductor Manufacturing Co., Samsung, Micron, Intel and GlobalFoundries to open factories in the U.S.

Trump said he would instead hike tariffs on foreign-made computer chips, saying the financial penalties would cause companies to relocate to the United States.

“You tariff it so high that they will come and build their chips companies for nothing,” the former president said.

Most economists have said tariffs would contribute to rising inflation. Higher prices on computer chips could add to the costs of autos, kitchen appliances, phones and other goods. U.S. consumers experienced that previously coming out of the pandemic because of a global computer chip shortage.

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Superville reported from Washington. Associated Press writer Dan Merica in Washington contributed to this report.