Stainless steel metal sheet is riveted to the upper cover. Press the knob and rotate it 90 degrees to lock the upper cover. Rotate the knob 90 degrees, reset and release the upper cover.
Stainless steel metal sheets are riveted onto the upper cover.<br>Press the knob and rotate it 90 degrees to lock the upper cover.<br>Rotate the knob 90 degrees to reset and release the upper cover.
Stainless steel sheet is riveted on the upper cover.<br> Press the knob and rotate it 90 degrees to lock the upper cover.<br> Turn the knob 90 degrees to reset and loosen the upper cover.