1) Fuel-making factory 2) Work 3) Workplace 
A gasworks or gas house is an industrial plant for the production of flammable gas. Many of these have been made redundant in the developed world by the use of natural gas, though they are still used for storage space. == Early gasworks == Coal gas was introduced to Great Britain in the 1790s as an illuminating gas by the Scottish inventor William...
[n] - the workplace where coal gas is manufactured
noun the workplace where coal gas is manufactured