Before assigning a String data type to a variable, we need to thoroughly understand Delphi's four string types. Short String Simply put, Short String is a counted array of (ANSII) characters, with up to 255 characters in the string.
In the early part of the 19th century, coal ovens were developed. Its shape was cylindrical and was made of heavy cast-iron. The gas oven saw its first use as early as the beginning of the 19th century as well. Gas stoves became very common household ovens once gas lines were available to most houses and neighborhoods. James Sharp patented one of the first gas stoves in 1826.
NATURAL GAS. Natural Gas History. During the 19 th century, some types of lamps ran on natural gas, usually along city streets. In 1885 Robert Bunsen invented the Bunsen burner, which mixes gas with air to produce a steady flame for heat or cooking.