1 Examples of viral infections include, mumps or hepatitis B. 2  Some autoimmune conditions-such as lupus, or Sjogren's syndrome. 3  Injury to the pancreas. 4  Idiopathic-about 15% of all cases of acute pancreatitis are termed idiopathic pancreatitis.
For instance, in America, these kinds of drums are referred to as the doumbek. They are widely used in E. Europe, N. Africa and a larger part of Asia. Good examples of these kinds of drums include the Bendir, Riq, Tamburine, Irish bodhran etc. These drums are mostly made of wood which forms almost a perfect circle.
Types. The 55 gallon drum is available in a variety of colors, materials and specifications. Steel and stainless steel drums can be lined or unlined. Plastic drums are durable and light. Fiber drums are made from a dense paperboard substance. Reconditioned steel and plastic drums can be found at specialty dealers.