Train factory could Produce:
- railway engine using steal and coal / Steel and electricity (modern times)
- train wagons using steel

Then Install train stations and have trains between them to deliver passengers and goods
- Would need to deliver railway engines and train wagons

War planes factory to produce:
- Jet fighters/bombers using steel and weapons
- Could deliver them to a military air base

Boat factory updated:
- build military boats for Tropico Army

Paper/Book factory:
- using wood to produce paper and books (Books could be delivered to book store/Supermarket/Library)

Glass factory:
- using sand from the beaches (would need sand excavation site)
- could produce lightbulbs/glasses/windows

Gym product factory :
- using steel/ rubber (could be delivered to gym club that would have an impact on healthcare level).

Beer brewery:
- Could produce beer using wheat and Barley

Household appliances factory:
- Microwave, Dishwasher, washing machine, TV, fridge, toaster etc.. Using steel, glass, rubber
- Could be delivered to supermarket


Possible agriculture improvements:
- Add wheat, Barley, Rice to crops
- Add irrigation to farms (would need to have a water pump near a river or desalinization plant near the sea) and lay pipes that go to a water tower near the farms. The yield of farms would be improved.


Possible transportation systems improvements :
- Trains (train tracks and train tunnels) with train stations
- Bus upgrades with multiple stops along the line
- Tramways
- Water taxis
- Helicopters
- Planes (cargo planes with goods and passengers) with small airports or airfields (compared to the current airport for tourists). Possibly also international airport to export and import goods.


Possible housing improvement with modern skyscraper cable of housing around 50 people