Let You Help Each Other and Take Care of the Elderly, Without Letting Your Hands Rub Nuclear Fusion!

[Black technology + rejuvenating the country through science and technology + no female protagonist + system] Huang Songfei, who was a scientific researcher in his previous life, traveled to a parallel world and took over an abandoned nursing home. Faced with the start of the collapse of the sky, he resolutely chose to help the remaining men support each other in old age, and unlocked the black technology of production to become rich and powerful! "The miners built the anti-gravity cannon. Is it reasonable to mine the electromagnetic gun?" "Is it reasonable for a fisherman to use an aerospace aircraft carrier to fish?" "Isn't it reasonable for the courier boy to assemble a subspace super-fast fighter to deliver express delivery?" "The director of my nursing home rubs his hands to control nuclear fusion to keep warm. It's natural!" … Huaxia Research Institute: "You call this a nursing home? Then we are a kindergarten!" Military Research and Development Department: "I sat up in shock while dying of illness, the great powers are actually myself?" Yingjiang: "We are just bragging, but you actually mean it?" Xiaozhi: "Brother, there were so many people outside just now, I kneel down for you!" … "Are you still worried about the high housing prices, difficulty in getting married, and hard life? It's a big stage for freedom. Come if you have a dream! Hetang Nursing Home welcomes you!"