Trump's administration is reworking temporary employment visas as part of its immigration crackdown. Photo: AP PHOTO

The Trump administration will ask companies to pay $US100,000 ($A152,000) a year for H-1B worker visas, potentially dealing a big blow to the technology sector that relies heavily on skilled workers from India and China.

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Since taking office in January, Trump has kicked off a wide-ranging immigration crackdown, including moves to limit some forms of legal immigration.

The move to reshape the H-1B visa program represents his administration's most high-profile effort to

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