Control board and Slab

Control board noun - Electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices.

Slab and control board are semantically related in panel topic. In some cases you can use "Slab" instead a noun phrase "Control board".

Slab noun - Block consisting of a thick piece of something.

Control board and slab are semantically related in panel topic. Sometimes you can use "Control board" instead a noun "Slab".