Because there are a large variety of jobs to be done underwater, commercial divers may also need to acquire other skills, like underwater welding, photography, or construction, depending on the type of work they'll be doing. In some companies, on-the-job training by more experienced divers also occurs.
Causes of Adenitis. Adenitis is usually caused by a viral or bacterial infection. Adenitis: Related Medical Conditions. To research the causes of Adenitis, consider researching the causes of these these diseases that may be similar, or associated with Adenitis: Sialoadenitis. Mesenteric adenitis.
Viral Conjunctivitis. Viral conjunctivitis is caused by infection of the eye with a virus. Viral conjunctivitis. 1  Can be caused by a number of different viruses, many of which may be associated with an upper respiratory tract infection, cold, or sore throat.he most common causes of conjunctivitis are viruses, bacteria, and allergens. But there are other causes, including chemicals, fungi, certain diseases, and contact lens wear (especially wearing lenses overnight).