for example, it can use natural gas in a process to convert chemical energy to electrical energy.
(it; can use; natural gas; in a process) Context(it can use,List([13, 23))):(it; can use natural gas to convert; chemical energy; to electrical energy)
it can use,List([13, 23))
it it
can use can use natural gas to convert
natural gas in a process
chemical energy to electrical energy