But the well is basically abandoned, and the underground water, which doesn't flow underground, is almost drained.
The third plan is sewage recycling.
Recycling of domestic wastewater produced within the fortress, such as urine, through a sewage treatment system to make it reusable.
The last method is collecting condensate water, utilizing the temperature difference inside and outside the fortress, using the ventilation system to collect water vapor, condense it into liquid water, and purify it for direct drinking.
As for food acquisition, it mainly involves a small animal with a super-strong reproductive ability, which can be consumed for protein.
To Mao Xuan, it seemed like a kind of insect similar to a cockroach.
Occasionally, there would be explorations outside to search for all kinds of supplies and tools.
After listening to Blackie's account, Mao Xuan couldn't help but sigh internally.
