Definition of boiler
A boiler is a closed vessel in which water or other fluid is heated. The fluid does not necessarily boil. (In North America the term "furnace" is normally used if the purpose is not actually to boil the fluid.) The heated or vaporized fluid exits the boiler for use in various processes or heating applications,12 including water heating, central heating, boiler-based power generation, cooking, and sanitation
Plumbing - from Wikipedia
Plumbing is any system that conveys fluids for a wide range of applications. Heating and cooling, waste removal, and potable water delivery are among the most common uses for plumbing however plumbing's not limited to these applications.1 Plumbing utilizes pipes, valves, plumbing fixtures, tanks, and other apparatuses to convey fluids.2 Trades that work with plumbing such as boilermakers, plumbers, and pipefitters are referred to the plumbing trade. In the Developed world plumbing infrastructure is critical for public health and sanitation.
hydraulic assistance for residents of different localities
Hydraulic works carried out in the towns of different sizes have different scope. They can be carried out on behalf of local authorities, if any part of the village needs to be connected to the municipal sewer system or the village was flooded by torrential rains. At the same time the hydraulic assistance can apply the owners of private houses, in which there have been some failures. Depending on the type of failure, they can order the execution of hydraulic works in normal mode, or call the emergency hydraulic. Such hydraulic ambulance is able to reach a flooded home, even during the weekend. While minor work will be done by appointment convenient for the homeowner term.