The benign type is seen in benign lesions such as benign tumors and following trauma. An aggressive type is seen in malignant tumors, but also in benign lesions with aggressive behavior, such as infections and eosinophilic granuloma.
When setting up a Hookah air system, you will frequently need an array of metal fittings. For use around water, you should use stainless steel or brass fittings only. This is especially important when diving in salt water. Fittings made of ferrous metal will rust or corrode when used in, or near a water environment.
1. Top-notch wait staff. In the service industry, the most important investment is almost always in your employees. Especially in a hookah bar that requires shisha set-ups and coal refills on top of fulfilling food and drink orders, it is absolutely crucial to hire attentive, knowledgeable wait staff. Most hookah bars rely on repeat customers and veteran shisha smokers, so it is important to have friendly staff that are good at establishing rapports and who are well-trained in hookah expertise.