Complaint Ratios: the ratio, expressed as a percentage, is the number of closed confirmed complaints divided by the number of policies the company had in force for the line of insurance and year indicated.
Thomas Edison invented the first ever light bulb in 1880. This is arguably the most important invention in the history of mankind. Britain underwent an Industrial Revolution that helped Britain's economy greatly during the Victorian Era.
Arguably the most important development of the Industrial Revolution, the steam engine facilitated major advancements in the fields of mining, manufacturing, agriculture and transportation.n 1606, de Ayanz registered the first patent for a machine that used steam power to propel water from mines. The Spanish inventor â who is also credited with inventing one of the world's first air conditioning systems â used his steam engine to remove water from silver mines in Guadalcanal, Seville.