This visas are a variation of the H-1B visas, specifically designed for citizens of Chile and Singapore. In order to apply, foreigners must have a job offer from a US employer in their field of work.
H-1B1 visas require a certain level of specialization and preparation, for example that the employee have at least a bachelor’s degree in the field of work. Click here to find out more about H-1B1 visas.