The trailer is developed as a platform to be a power station. You can actually charge your vehicle or actually move the trailer as a charging gateway for your tractor so we can tell you that. If there's a fault in the system, they just look at the lights. We want to minimize the amount of work that the driver has to do to use this stuff. And if an operator says, no, we need to have state of charge on the screen and whatever, it's available,.You provide the screen, you provide the HMI and we'll make sure that the data is there and clean. So I know we're running out of time. Please, Ali, continue with the second