The 35-pound beams lock together to make a rigid base for the tower. The legs on the corners of the base adjust up and down over a 5-foot range to make up for uneven floor levels. The new, patented, Light Bulb Scaffoldâ¢ System is the solution to all your access problems.
Acid reflux is the most common cause of chronic laryngitis. But chronic laryngitis may be caused by more severe problems such as nerve damage, sores, polyps, cancer, or hard and thick lumps (nodules) on your vocal cords. The vocal cords are the vibrating elastic bands inside the larynx that produce your voice.
Laryngitis is the condition in which your voice box, or larynx, suffers from inflammation. In laryngitis, the voice box is irritated, and your voice will become hoarse, or even disappear.Because of the inflammation, pain is sometimes associated with the condition. The acute type last for two or three weeks, at most.oice rest is the main step in its treatment. 1  Viral infection is the most common cause. 2  Bacterial infections such as diphtheria may, albeit rarely, cause acute laryngitis. 3  Sudden overuse of the voice like shouting, singing or taking a long lecture may cause fatigue and swelling of the vocal cords.