Causes of Throat clearing: The following medical conditions are some of the possible causes of Throat clearing. There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Habitual throat clearing. 2  Dry throat - see also causes of dry throat.  Anxiety.
Spinning can enhance cardiovascular fitness, and improve muscle tone and exercise endurance. Spinning works various muscle groups, including the quadriceps, hamstrings, calves, hips, and abdominal muscles.
Best Answer: The spinning mule gave the spinner greater control over the weaving process and automated the process of making yarn. Spinners could now make many different types of yarn. Finer cloths could now be made. http://industrialrevolutioninamerica.com... The Spinning Jenny was invented to increase the production of thread.