Residents in need get a lift Stair-Trac helps those recovering from injury, surgery For those residents who call for assistance with Stair-Trac, it’s Tesh Raj whom they are most likely to see. Raj has worked in Rossmoor with Securitas for 16 years, and has been involved in Stair-Trac service since the get-go. Stair-Trac is a machine, which attached to a wheelchair, helps transport residents