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.
Allergies, exercise, and detergents are common causes of hives in adults. In addition, hives are idiopathic, meaning that the cause of some cases is unknown.Food and medication allergies are very common and likely the culprit if the adult recently tried a new medication or food.n allergic reaction to detergent may cause hives in adults. Allergies to nuts may cause hives in adults. Certain medications may cause hives in adults. Allergies to shellfish, like oysters, can cause hives.