The student screws the top tray onto the brackets.
text: Please first fix the top shelf into *unintelligible*.
text: Use your hand to *unintelligible*.
text: Please move the *unintelligible* so that it is easier for you to handle it.
text: Please set the piece first onto the table.
text: Please move the fleck on.
text: *Unintelligible* is to move the piece eventually towards you so only the top shelf is not on the table.
text: So *unintelligible* move it towards you