People's privacy can also be interrupted by unwanted phone calls from telemarketers and others who wish to profit in some way - just as Internet e-mail accounts receive unwanted sales pitches, known as spam.. Yet, the invention of the telephone also worked to increase privacy in many ways.
Rosin build up on violin strings can make them sound scratchy. Although applying rosin to the bow is important to create friction when the bow is pulled across the strings, too much rosin on the strings can reduce the strings ability to vibrate. Clean the rosin off your strings regularly to reduce any scratchy sounds.
Continuous wheezing sounds of low or high pitch heard with a STETHOSCOPE when listening to the breath sounds. Rhonchi are caused by partial obstruction of the smaller breathing tubes in the lungs (bronchioles) by swelling of the lining or by the presence of thick mucus.