R11 Defences Handout and Management Audio Playerhttps://www.aerwc.com/wp-content/uploads/2017/12/R9-Defences-Management-and-Handout.mp300:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. “R11 Defences Handout and Management” by Anthony Eldridge-Rogers. Released: 2015.