English to Latvian Tech/Engineering Agriculture

On nearly every self-unloading bulker that casing houses the upper half of a system of looped conveyor belts (most self unloading systems built or installed since the mid-70s), incline belts (the unloading system on a lot of the 70s-vintage U.S. river-class and Bayship seaway-size boats), or bucket elevators (most unloading systems dating to before the early 70s).