How to apply for a work card to work in the United States when going to the United States with a US tourist visa?

You only have a tourist visa in the United States, but you can't apply for a work card in the United States. You can only apply for changing to other identities in the United States first, such as marrying an American and applying for refugees. Or employed by an American employer (you must prove that your technical talents are urgently needed in the United States and hard to find locally. ), the identity change is approved by the local immigration bureau in the United States, and you can apply for a social security number. You can't apply for a work card until you get the social security number.