English to Slovak Tech/Engineering Mechanics / Mech Engineering

the term is in the instruction manula of high frequency welding machine:

Shuttle tray system with 2 automatically operated trays (moving above each other).
The complete process of the machine can be described as follows:
In start position the press block is in its lowest position (pressing upwards). One tray (i.e. upper tray A) is outside of the press in operator position, the other tray (lower tray B) is inside of the press, in press position.
The operator places new products into tray A (in operator position).


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