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The ALMA transporter - rear lateral view
The two inclined elevators on the side of the vehicle are necessary when lifting up the heavy antennas to ensure that the load is supported by all the wheels. The two ALMA antenna transporters have to be highly reliable as they will be operating at 5000m altitude in the driest place on Earth, 365 days a year.
Crédit:ALMA (ESO/NAOJ/NRAO)