the bowl can be lifted and lowered by a rocker arm in manual models the various inner drive components are constructed of a durable and unique stainless steel the electornic control, with its easy-to-use buttons, operates the 3 preset speed modes voltage overload protection automatically shuts the mixer when it's strained ,especially overloaded with an overly large batch of very stiff dough low voltage protection prevents accidental start-up after power failure easy to use with the interchangeable tools, with or without removing the bowl