The State Coat of Arms of Ukraine. In accordance with the Constitution, the Major State Coat of Arms of Ukraine is to be established with the Minor State Coat of Arms of Ukraine and the Coat of Arms of the Cossack Army of Zaporizhia taken into account as its chief elements.
1 One method is to place three cups of vinegar into the toilet bowl and scrub the stains with a toilet brush.  Bleach Bleach is a very strong cleaning agent. Place a half a cup of dry bleach powder into the toilet bowl and let it sit there for a couple of hours.
Turn off the water to the toilet and flush. Use a sponge to remove the water left in bowl. This will ensure the acid will clean the bowl to the bottom, including the critical jet-hole. This is a smaller hole at the bottom of the toilet bowl; water is pushed out of it forcefully to help the toilet flush.