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.
Arsenic poisoning symptoms are usually the occurrence of exposure to large amounts of arsenic from industrial workplaces, environmental, or malicious poisoning. Arsenic is element number 33. Vomiting and diarrhea are very common in this stage of symptoms. 2  Your vomit may be bloody, as well as the diarrhea. 3  Dehydration and shock are common from prolonged exposure to arsenic. 4  Cardiac. 5  Cardiac arrhythmias are very common late stage arsenic poisoning symptoms. 6  At this stage in symptoms, your body is failing.