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"It feels like it's the center of the building?"

Levi's sense of direction tells him that the door is indeed in the center of the building if there is no accident, provided that there is nothing wrong with his sense of direction, if he is not a natural road idiot.

"That's right, in addition to this place, there are eight stairs in each of our four locations in front of us, in front of us, on the left and right, and in the four corners of this building."

Theo held up his phone so that Levi could see the screen, then replied by pointing to the map above him.

"Oh, that's right. When I saw the location of this staircase, I thought that this building was actually such a fire escape route. ”

Even if a girl from another world knows a lot of knowledge about this world through the Internet, even if she is a genius who never forgets, it is impossible to make up for the gap accumulated by other peers on the earth for more than ten years in such a short time. What's more, it's not just Theo, a girl from another world, who doesn't understand, but I believe that the vast majority of young people on the earth also don't understand what Levy's words mean. After all, architecture is like electronics, built for human use, and the people who use it only need to know how to operate it, without even having to memorize the construction method and various principles in their heads.

"This is because the building must comply with the fire code when it is designed, especially this kind of house rented to others, and it must fully comply with the regulations, otherwise it will not be certified by the fire department after it is built, and there is no qualification to rent to others at all."

Levi knocked on the door with his finger, which was as red as it was removed from the fire truck, and there was a muffled 'knock' sound, which showed that the door was quite thick, and it was indeed a good barrier to flames and smoke.

"Fire stairs and fire escapes are not just places to be placed. The fire department has a rule that each fire zone must have at least two fire escapes, and it is impossible for this building to pass through the fire department with just such a staircase. ”

In fact, except when it was first built, the fire department will routinely send people to the building every year to conduct fire safety inspections. As soon as the existing non-compliance with safety regulations is required, rectification is immediately required. This year's fire inspection of No. 2 Middle School was before the autumn, and the person who accompanied the firefighters to inspect it at that time was Levi, otherwise he wouldn't have happened to know so much. After all, if anyone is familiar with it, almost everyone knows how bad this guy's memory is. Maybe if you ask him this time next year, he'll be able to forget most of what he's saying to Theo now.

"But what I'm talking about are the regulations of the Central District.,The technology here in the school city is so advanced.,Or maybe there may be more advanced prevention and escape methods.。 But just looking at the number of stairs in this building, it is still quite safe. ”

"I see."

After hearing this, Tio gently tugged at the small pigtail that hung down from the side of his cheek. Even though this knowledge seemed unlikely to come in handy to her in the future, she listened carefully word by word, and this caution made Levi nod his head secretly. In any case, such a serious child will accumulate enough experience in the future, and it will definitely make no one dare to underestimate it. Compared to Ling's overconfident and overly high-minded kids, Levi has a higher opinion of Theo.

Of course, that's just based on the fact that Rei, although she seems to be two years old with Tio, feels like a child who hasn't grown up yet. If the bear child who plays around in a tutu all day long can suddenly step into the stage of a sentimental girl, it is really hard to imagine what the future will be. After all, it was a typical high-IQ criminal small molecule who had only been in contact for a long time, and it made Levi and Aldu feel quite difficult and leaky.

'Please', Levi's expectant gaze at Theo, the meaning contained in it is naturally that she hopes that she can lead Ling into the right path before she grows into a little demon king that no one can control, and teach her a little more of Theo's own calmness and seriousness, who let the two of them come to another world and live together, giving people the same feeling as the closest little sisters?

Of course, Theo couldn't have understood what Levi meant, after all, his thinking was too jumpy, and Theo was still thinking about the various places in this world that were different from his hometown, who would have guessed that he would inexplicably think of the little pig sleeping on the bed at home at this time?

Levi put his hand on the doorknob and twisted it slightly, and the click of unlocking was so small that if it weren't for the ears of both of them who were more intelligent than puppies, probably no one would have heard them at all.

"Is this door heavy?"

After the door was pushed open, Theo didn't immediately follow Lévi inside, she lowered her head curiously and looked at the door that was a little glare in the fluorescent lamp. She clearly felt that Lévi had pushed the door open with a bit of force, if it was a normal door, a man of Levi's size should push it open without difficulty, even if he was not a warrior with special abilities but just an ordinary person.

Theo couldn't see how special the material of that door was, and wondered if it was the opposite of the 'it looked heavy but was actually fine' magic guide in his hand, and the material was a special product of the earth that 'looked ordinary but was actually very heavy'. The world in which Theo grew up didn't have materials with such characteristics, and this unexpected appearance inevitably aroused a little curiosity among the girl, who was also a researcher.

"Uh, you ask about this door?"

Lévy looked back and saw Theo bent over his knees, staring at the red door with a magnifying glass in his hand, and wondered what she was doing. Fortunately, Theo doesn't like to play side-to-side tricks like some girls, and the straightforward question makes Levi suddenly realize after half a second.

"This door is made of thicker materials than ordinary doors because it has to block the flames and smoke from passing through when the fire starts.

But the weight is only a little heavier, and it makes you think it's heavy because of the device above. “

Hearing Lévi say 'Boss', Theo raised her head and looked upward, but because of her curiosity, she didn't notice that Levi let go of his hand for demonstration as he spoke, and the door automatically bounced back and hit Theo's chin.

"It hurts."

"Oops, I'm sorry, I'm sorry, I thought you kept staring!"

Hearing the voice, Levi quickly opened the door again, and saw the girl behind the door looking at him with a resentful expression, and her left hand stroked a small piece of red pointed chin. The degree of rebound of the door is not fast at all, but the girl's skin is even more delicate and delicate like a work of art, Levi is very embarrassed to bow and nod vigorously, although he knows that this little thing is not even an injury, but girls sometimes see their skin more important than life, especially on the face, how many girls in this world every day shout that if the appearance is broken, it is better to die, etc., even if everyone knows that they are just casually shouting, but this also reflects how strict Levy's mistake is.