A.the highest permissible temperature and pressure
B.the lowest practicable temperature and pressure
C.the highest permissible temperature and the lowest practicable pressure
D.the lowest temperature and the highest practicable pressure
A.the highest permissible temperature and pressure
B.the lowest practicable temperature and pressure
C.the highest permissible temperature and the lowest practicable pressure
D.the lowest temperature and the highest practicable pressure