The best meat slicers come with easily attachable and detachable parts so that you don’t have to spend hours cleaning the hard-to-reach spots of it.
Best meat slicers have dishwasher safe part, as it is very easy to keep them clean. For all other fixed parts use only food grade sanitizer.
One more thing, lubricate the slicer with food-grade lubricants after using to keeps the blade moving smoothly.