In rare cases, hypokalemia is caused by too little potassium intake. Many things can cause potassium loss. The most common cause is the use of diuretics, or pills that cause urine production. Diarrhea, vomiting, and excessive use of laxatives can also cause symptoms.
How to Use a Trencher. When it comes to digging, a trencher can dig a trench that's 4 feet wide and up to 36 inches deep. Use these step-by-step instructions to easily dig a hole in no time with the right equipment.
Excavation â self dug hole. Trenches in World War I 1. Used to protect soldiers from enemy fire in the fields 2. Used extensively during World War I 3. Came out of necessity because of improved weapons, particularly: better rifles, machine guns, and tanks. Impact of technology during World War I 1. Allowed for weapons to fire from greater distances 2.