5.3 Cooling circuit, ventilation system and cockpit heating system
5.3.1 If placed as original (f.ex. in engine compartment), radiator and its fixing points (bars, their place-ment, number, shape and size) are voluntary, as well as pipes, connecting it with engine. Allowed to in-stall a screen in front of the radiator.
eli mitä tämä tarkoittaa suomeksi/turuksi?