On the tanks -
Left handed spanner for the bore evacuator
Can of radio squelch
Can of muzzle flash
Track grease (also known as 'infantry')
Road wheel pressure gauge (for those who don't know, road wheels are a solid rubber ring on a steel hub)
"What's the idler arm idling at?"
"Don't spin the turret more than 5 turns counter-clockwise or it will come unthreaded."