Corona version 9
The model uses materials that may not be displayed correctly in very old versions of the engine.

Bathroom furniture Hare
Bathroom furniture in 2 finishes (dark and light)
The modules of the cabinets (1000 and 1200 mm long) can be mixed together as well as the finish
– mirror illumination (CoronaLightMtl)
– CEA mixer https://www.ceadesign.it/en/products/1-bagno/5-rubinetteria/4-opusste21/item/178-ops09 

Reference inspiration: https://ru.pinterest.com/pin/184295809744101781/ 

Objects are partially attached textures and materials have logical names
Texturing UnwrapUVW

For Corona render it is recommended to install a version not lower than 1.5 since the glossiness of materials is configured with PBR in mind