sentences:  Normal tire pressure is 470kPa.The Perm Automobile Factory SKV started to develop a new 152 mm gun in November 1968, which was to have an extended range of fire.Two variants were planned from the beginning – the towed version, 2A36 "Giatsint-B", and the self-propelled variant, 2A37 or 2S5 Giatsint-S.