Who developed the ...

but what idiot used in the nut with the impact disc (? the knife to crush ice) is held a right hand thread.
The blade rotates rechtsrum, and this means at each use, the screw loosens.
-> After 2 days use of the mother was released, the impact disc was no longer driven or lay loose in the freezer and so was the equipment no longer usable.

Likewise, the replacement unit, ie development errors and thus can stay away ...

Too bad, thought would be good Gastroback