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ACE Engineering
There are a wide range of tasks that engineers can perform from repairing vehicles to explosives/EOD roles.
Changing a Tyre
Before long you'll find yourself in a situation where your vehicle has lost a tyre. Fortunately, all wheeled vehicles carry at least one spare tyre by default.
Unloading the Tyre
Find the vehicle's interaction icon, go to “cargo”. A new UI will appear. Choose one of the tyres and click “Unload”. The tyre will spawn as 3D object somewhere around the the vehicle.
Move the Tyre
Use the interaction key on the tyre to access the “Carry” option under the wheels interaction icon. Move the tyre close to the damaged wheel and drop it by left-clicking. Use care when moving the tyre as Arma Physics means that touching player with the tyre can injure or even kill them. Make sure to announce loudly that you're carrying what is, as far as Arma is concerned, a round, rubbery lightsaber.
Repair the Wheel
Look for the “Change Wheel” icon on the damaged wheel and select it. After a short time the wheel will be restored. Try to not drive into a rock this time, you clutz.
