This type of elevators are generally used for carrying plates, glasses and trays from the kitchen to the floor in hotel, restaurant and villas.
Dumbwaiter elevators you can also consider as small type freight elevators have variable capacity from 40 Kg to 500 Kg. Dumbwaiter type elevators have generally guillotine type doors.
Guillotine doors not only has great facility in working for the user thanks to its opening and closing by a simple movement, but also does not occupy space when they're opened as the semi-automatic doors do. Stainless steel cabinet and doors are always preferred since they must be hygienic.