alb - First number is track armor. Second is hull armor plus track armor. Possible to have both track and hull penetrated. Dice for damage one time.
µ- This vehicle must count shots. It receives a maximum 6 fire segments of fire before reloading. Reloading takes 5 turns from supply vehicle. Crew is exposed during reloading. (This vehicle had total of 12 available rounds as such it can never score more than 12 shots-hits per load.)
s40 = Spaced armor bases - Armor value vs HEAT/HESH rounds.
28 = High slope indicator vs APDSX / HVAP rounds, i.e. deflection. Add +1 to the variable penetration die.
c = Low profile cupola - only 10 backed by another 10 scores a hit.