-Drops are made with Particle Flow. Move the animation slider to see the drops. To see motion blur, turn it on in the render or camera properties. There are also drops in the scene that are converted to geometry.
-Shower system https://www.amazon.com/dp/B0CRX8FCLV/ref=twister_B0CV58KCX7?_encoding=UTF8&th=1 
-Shower tray https://rgw-magazin.ru/dushevye-poddony/st-g-rgw/ 
-Shower partition https://rgw-magazin.ru/dushevye-peregorodki/rgw-wa-08/ 
- Ibero Artwood Ribbon Black MATT porcelain tile https://www.keram-market.ru/ispanskaya-plitka/ibero/artwood/ribbon-black-matt 
-On some objects Turbosmooth is enabled in Isoline Display mode
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CoronaLegacyMtl - requires CoronaRender version not lower than 1.5
CoronaPhysicalMtl - requires CoronaRender version 7 or higher
The render shows Corona Physical.