The most common means of generating electricity is with steam turbines, that is, with steam produced in boilers fired by coal, natural gas, petroleum, or nuclear energy sources.
(The most common means of generating electricity; is that is; with steam turbines, that is, with steam) (steam; produced; L:in boilers) (boilers; fired; by coal, natural gas, petroleum, or nuclear energy sources)
The most common means of generating electricity steam boilers
is that is produced fired
with steam turbines, that is, with steam
L:in boilers
by coal, natural gas, petroleum, or nuclear energy sources