The lungs suffer from many diseases, all of which are serious and life threatening. Some have no satisfactory cure and some need prolonged treatments. Listed below are the various diseases that affect the lungs:Pulmonary fibrosis is more of an occupational disease. This is the effect of constant exposure to coal, asbestos or silica particles. In th
>>>lt;em>Emergency Exit signsAs per OSHA guidelines, emergency evacuation and exit ways are mandatory to be clearly visible at all times at any place of work. If the premises have doorways and passages that people would assume to be emergency exits, these need to be identified clearly as well.
>>>The respiratory function is carried out by specialized organs. These organs consist of an air intake, the nose, a pre-warming and filtering area, the sinuses and an opening into the mouth, the pharynx, the larynx or the voice box and the trachea. The trachea divides into two at its lower end into the bronchi which in turn enters the respective lung
>>>lt;em>Emergency signsThese safety and security signs come in handy during an emergency as they indicate emergency exits, escape routes, first aid equipment, or other safety equipment.
>>>Light Flashes in Peripheral VisionA sudden emergence of light flashes or their increased severity is one of the most common signs of retinal detachment.
>>>Common safety signs include fire exits, first aid boxes, emergency exits, stops, and assembly points. Mandatory signsContrary to prohibition signs, mandatory signs tell you to do something. These signs are round in shape and are blue in color.
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