annual total cost of minimum unit load

air change per hour

aerodynamic per formances

advance per round

advance per revolution

Adjusted Per Share Net Assets

Activity of ~(222)Rn Released per year

active PER

active lines per frame

accumulative emission per capita

Accumulative cow’s milk intake per year

accident rate per ten million cars per kilometer

accident rate per 100 000 000 vehicle kilometer

absorbing power per day

a hundred per cent

a cavity per mould

500 parts per million

4% it pays a 4 per cent yield

3% 3 per cent of the property’s price