A small country: Mr. Qin, we want to import a batch of steel pipes and gas tanks!
Qin Feng: Yes, there is a structural diagram in the manual that prohibits welding the two together!
A customer: Mr. Qin, we want to purchase a batch of fire compression cannons!
Qin Feng: Yes, the instructions strictly prohibit the replacement of carbon dioxide hollow bombs with thermite!
Subordinate: Mr. Qin, the Minsk has been bought back!
Qin Feng: Okay, we will modify it according to the plan and mount various types of drones on it. Our mission is to observe weather, hydrology, fishing groups, etc. We modify a marine scientific research vessel!
This book is also called "Sorry, we really only produce civilian products!"