Usually in the cistern of the toilet in an actuator of a shutoff valve on the lever set hollow plastic float. If its integrity is violated, it fills with water and stops working. As a consequence, continuous noise of flowing water, condensed moisture on the tank, dampness and mold.
Radically and just to correct the situation will help a stick of foam, which you must impose on the lever instead of the float.
Recommend to read
SCREWED… WITH A DRILL
When my dad collected a wardrobe, had to tighten a lot of screws. We remember posted in the "Modeller-designer", the Council is to use in such operations as rotation. But we had the...
THERMOMETER WITH EXTENSION TUBE
To measure the temperature of the liquid in the bottle with a narrow neck pretty hard. Replace the thermometer with a rubber or polihlorvinilovuju up, and the problem will be solved.