to be worried; to be troubled
energy problems; energy issues
dramatic; exciting; touching; extreme
betterment; improvement; kaizen (Japanese business philosophy of continuous improvement)
energy; energy; strength; energy source; energy resource; food energy
mostly; nearly; practically; well-nigh; almost invariably; all but
to tidy up; to put in order; to settle (problem); to clear (dispute); to finish; to bring something to an end
to be called ...; to be referred to as ...
extent; degree; limit; bounds; (span of) time; (a) distance; the state of
solar system; solar heating system
complete; completion; perfection; accomplishment
great (quantity, amount, etc.); huge; enormous; serious
suffering; distress; hardship; trial
severe; harsh; hard; cruel; rigorous
many; much; majority (of); greater part (of); mostly; mainly
engineer; technical expert; technician; craftsperson
to afflict; to torment; to harass; to molest
manned; occupied; piloted
aging; wearing out; deterioration
company employee; member of a corporation; company stockholder (esp. in legal contexts)
laborer; labourer; blue-collar worker
health; healthy; sound; fit
consideration; concern; attention; thoughtfulness; making arrangements; care
full automation; becoming unmanned; making (something) unmanned
to take off; to jump; to take the plunge; to decide; to step out of the ring
work; operation; manufacturing; fatigue duty
robot; (mere) puppet; pawn; figurehead
drone; unmanned aircraft; drone
remote control; remote operation
from one's seat; without stirring
maintenance; conservatism; conservativeness; conservation
reappearance; reemergence; return; reproduction; reenactment; recreation
synchronization; synchronized swimming
to be useful; to be helpful; to serve the purpose
technology; engineering; technique; skill; art; craft
last; final; closing; last train (bus, flight, etc.; of the day)
great; grand; magnificent; outstanding; mighty
project; enterprise; business; (arch.) act; (arch.) deed; (arch.) conduct
commencing with; including
member; participant; attendee; lineup (sport)
splendid; magnificent; utter (esp. defeat); total; (arch.) something worth seeing; (arch.) sight
to accomplish; to finish; to carry through; to follow through
textbook; coursebook; schoolbook
to write; to compose; to pen; to draw; to paint
the Industrial Revolution