Ghaziabad is one of the famous district in UTTAR PRADESH state. We have marked the location of Vaishali Ghaziabad on Google map. Vaishali Ghaziabad pin code has total six digits. First digit is 2, second digit is 0, third digit is 1, fourth digit is 0, fifth digit is 1 and sixth digit is 2.
Refrigeration completely wiped out the ice-box industry. Who Invented The Refrigerator. The first inventor of the refrigerator was Oliver Evans in 1805, however William Cullen invented the process in 1748 and Jacob Perkins invented more practical improvements in 1834.
The meatpacking industry followed with the first refrigerator introduced in Chicago in 1900, according to History magazine, and almost 15 years later, nearly all meatpacking plants used refrigerators.