Customs can use the giant arm to search for suspicious objects far into the vehicles.

- It works largely like a luggage X-ray like the one you have at Arlanda and is able to scan everything from trucks, cars, containers and train carriages, says Sebastian Lundqvist, group manager at the Swedish Customs.

In the clip above, Sebastian Lundqvist, group manager at the Swedish Customs, talks about the visit with the X-ray bus in Nyköping.