A drilled well consists of a hole bored into the ground, with the upper part being lined with casing. The casing prevents the collapse of the borehole walls and (with a drive shoe or grout seal) prevents surface or subsurface contaminants from entering the water supply.The casing also provides a housing for a pumping mechanism and for the pipe that moves water from the pump to the surface. drilled well consists of a hole bored into the ground, with the upper part being lined with casing. The casing prevents the collapse of the borehole walls and (with a drive shoe or grout seal) prevents surface or subsurface contaminants from entering the water supply.
Hives and angioedema can be caused by: 1  Foods. Many foods can trigger reactions in people with sensitivities. 2  Medications. Almost any medication may cause hives or angioedema. 3  Common allergens. Other substances that can cause hives and angioedema include pollen, animal dander, latex and insect stings.  Environmental factors.
If you are an adult and have suffered from chronic hives your whole life, you may want to have your blood checked for these issues or other related conditions. What Causes Hives in Adults-The Food You Consume: We also know that the food you eat might be the culprit of an adult hives breakout.hat Causes Hives in Adults-The Immune System: What we do know is that hives in adults has a great deal to do with the immune system.