A permanent wave, commonly called a perm or permanent, is a hairstyle consisting of waves or curls set into the hair. The curls may last a number of months, hence the name. Perms may be applied using thermal or chemical means. From Wikipedia
Apple's discriminatory hiring practices involved not advertising certain positions and requiring mailed-in applications, favoring temporary visa holders and deterring US applicants. The tech giant, while denying intentional discrimination, has agreed to a remediation plan to align its recruitment practices with government standards.