In space operations, to build a house with 15 big stomachs, the following steps need to be completed:

1. Choose a suitable planet in space and land.

2. Find a piece of land suitable for building houses and clear the surrounding obstacles.

3. To build a basic house structure, you can choose to build walls, roofs, floors, etc.

4. Install an energy system, such as solar panels, to provide energy for the house.

5. install a storage system, such as a warehouse, to store food and other materials.

6. Build a kitchen and upgrade it to the highest level in order to make more food.

7. Install more than 15 large stomach systems to consume more food.

8. Build a sleeping area to rest in the house.

9. Build a toilet for convenience in the house.

1. Build a workbench to make tools and weapons in the house.

11. Build a chair so that you can sit down and rest in the house.

12. build a locker to store things in the house.

13. Install a water purifier to purify water in the house.

14. Install a heater to heat food and water in the house.

15. Install an air purifier to purify the air in the house.