For dry-type transformers having a 220 [degrees] C insulating system and a winding hot-spot temperature of 220 [degrees] C, and with no unusual operating conditions present, the 20-yr life expectancy is a reasonable time frame.he 80 [degrees] C transformer requires operation at 75% or more of full load for a 2-yr payback, and at 100% load to payback in 1 yr over the 150 [degrees] C transformer.
Exposure to arsenic through drinking water is a great threat to human health. Arsenic is a carcinogen and its consumption can negatively affect the gastrointestinal tract and cardiac, vascular and central nervous systems.
Taking iron supplements can cause chest pain, headache, a metallic taste in your mouth, nausea, and more. Taking Pepto-bismol (bismuth) Side effects of medications with bismuth include black stool and a black tongue. Giardiasis. Giardiasis is an infection of the small intestine causing diarrhea, gas, bloating, nausea and stomach cramps. Hyperthyroidism