The term “employees engaged in a high-risk profession” means law enforcement officers (as such term is defined in section 1204 of the Omnibus Crime Control and Safe Streets Act of 1968), employees in fire protection activities (as such term is defined in section 3(y) of the Fair Labor Standards Act of 1938), individuals who provide out-of-hospital emergency medical care (including emergency medical technicians, paramedics, and first-responders), individuals whose primary work is longshore work (as defined in section 258(b) of the Immigration and Nationality Act (
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(b)), determined without regard to paragraph (2) thereof), and individuals engaged in the construction, mining, agriculture (not including food processing), forestry, and fishing industries. Such term includes an employee who is retired from a high-risk profession described in the preceding sentence, if such employee satisfied the requirements of such sentence for a period of not less than 20 years during the employee’s employment.