English to Russian Tech/Engineering Metallurgy / Casting

As for choke points in gating system to possible contributors it can be visually confirmed that there are abrupt changes (right angle re-directions) in the flow from the secondary runners. There are no smooth transitions observed and these are believed to be choke points in the metal stream flow.

Речь идет о литниковой системе (gating system) для производства крупного литья.