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
AND COMFORTABLE AND FASHIONABLE
Original and practical sun glasses can be done by hand, based on the normal rim (even better if it is old — work style of "retro"), and instead of glass to paste into it fine-meshed...
“CYBER” MANAGES OBJECTS
To consider, compare, think, manage that work, which are handled by modern computers. With the help of electronic machines is calculated the orbit of the motion of planets, satellites...