1. Failure and damage to body and impact 2. No damage to the bowl of stainless steel toilets 3. No water leakage and optimal insulation 4. Unlitability and damage to the glaze 5. Failure to inject drugs 6. Resistance Against all alkaline and acidic detergents (using antistatic stainless steel sheet). The toilet sinks are according to the antibacterial material. 8. Use of spherical surfaces in sinks that cause sinks to be unprotected.