These energy-intensive processes were not usually available during the Age of Sail.
It used the traditional open-hearth steelmaking method to produce ingots, a labor- and energy-intensive process.
In energy-intensive processes, production throughputs would usually be used.
Most Persian Gulf states get their water from desalinating gulf waters, an energy-intensive process.
It's a rather energy-intensive process.
Steel is currently made in an energy-intensive, three-step process.
It would have to be manufactured either from a hydrocarbon-based raw material or through an energy-intensive electrochemical process.
This is of critical importance when this principle is juxtaposed with the energy-intensive processes of most biofuel companies.
Retrieving the products of carbon fixation from PEPCase is in an energy-intensive process, however.
Steelmaking is an inherently dirty and energy-intensive process.