The biggest challenge in machining these claw edges is how to make them a good blade.

Although they already have the shape of a blade, some of them are still too wide and need to be removed.

Usually, Fang Yitian will prepare some special tools at home, such as chainsaws, whetstones, etc., and after finding his grandfather, he has collected almost all the production tools.

But no matter how complete the tools are, the materials can't keep up, and the same can't be processed.

The hardness and toughness of these ten claw blades exceeded Fang Yitian's expectations, when Fang Yitian cut with a hacksaw, it was called a "spark full of sky", and he didn't dare to continue after sawing it casually, otherwise the hacksaw in his hand would probably have to be scrapped.

When I picked up the hacksaw, I saw that it was already a little notched.

Fang Yitian's tools are still a little too stretched, and it is no problem to process the tools he makes by himself, but when he encounters a level similar to industrial steel, he can't use it.

I have no choice but to use the big killer.

Fang Yitian put on a gas mask, then took out a few small bottles, both brown and transparent, and after tinkering for a while, he made a small bottle of yellow things.

This small bottle of liquid was bubbling little by little, and as a matter of habit, Fang Yitian tried to keep this thing away from him as much as possible, and then picked up a claw blade and dripped this thing little by little.

"Sneer, sneer—"

The familiar sound of corrosion sounded, and after Fang Yitian waited for a while, he washed the claw blade on his hand with clean water, and then used the hacksaw again.

"......" Fang Yitian recalled the "starfire sky" he saw a second ago, and suddenly realized that these ten claw blades were taken from zombies.

Zombie...... It's some kind of creature, right?

Aqua regia is very corrosive, strong enough to corrode inert metals; But it is not so corrosive, and its corrosive effect on organic matter is not as strong as many people think.

So, Fang Yitian thought, this claw blade can't be organic matter, right?

Of course, it is also possible that there are other substances, and there are more things that resist the corrosion of aqua regia.

"Mmmmmmmmmm

Aqua regia is made with concentrated nitric acid and concentrated hydrochloric acid, and the brown bottle contains concentrated nitric acid.

Fang Yitian remembered that this thing was borrowed from the laboratory by himself before the end of the world, he had a college roommate who was a graduate student, and he was also doing research and development in a company, and he was deeply respected by his mentors and leaders, so he basically used the laboratory if he wanted to, and there was no pressure to bring an outsider by the way if it didn't involve confidentiality.

But that guy finally borrowed his lab once and then went on a business trip to the Northern Capital, and I don't know what happened now.

Fang Yitian shook his head, leaving the memories behind, and then tried concentrated nitric acid again.

It's really better, at least not as much as Mars.

"Alas-" Fang Yitian sighed and looked at the tools on the ground that had been with him for a long time.

"Don't worry, I won't lose you." Fang Yitian has been accompanied by tools and weapons since he was a child, and he has feelings for these things, and even if they break after using them once, he will not throw them away.

Several of his broken swords are still in his weapons case.

The current situation is that if Fang Yitian wants to process these claw blades independently, it is inevitable to sacrifice some tools.

The source of these claw blades is too special, Fang Yitian, who has experienced that trip to the Ghost Gate Pass, is a little afraid to make them public, so it is impossible to borrow tools from Chen Ransheng or the base of the Zhongdu Military Region.

"Come on!" Fang Yitian lifted the hacksaw and aimed at the part of the claw blade that had been doused with acid.

……

Chen Ruoxi is very happy now.

I found my family, my life was settled, and I had almost nothing to worry about.

Although there weren't many things for her to worry about.

On the first night after meeting his parents, he had a long talk with his mother all night, and poured out all the experiences along the way.

Chen Ruoxi has relied on Li Mingxi since she was a child, and she will find her mother to solve everything first, although she is embarrassed to find her mother for everything when she grows up, she has nothing to talk about when she is free.

So she said a lot to Li Mingxi.

"Then tomorrow you take me to meet that Fang Yitian."

Chen Ruoxi's mind echoed with this sentence, and he suddenly realized if he had said something wrong.

No, I should have said something that shouldn't have been said.

"Hmmmm-Mom won't embarrass Brother Tian......" Chen Ruoxi combined the TV series she had watched, and understood that she might not have confessed everything to her mother so early.

"Ahh She grabbed a piece of meat and ate it in her mouth, thinking about what was going to happen.

"Xixi, will you go outside today?" Ye Maimai came over with two drinks and his own lunch, and sat next to her.

"Okay." Chen Ruoxi is very idle, and she naturally won't refuse if her best friend asks her to play.

However, when answering Ye Maimai's question, she inadvertently saw a familiar person.

Fang Yitian also came to the cafeteria to eat, and his tall and straight figure was extremely prominent in the crowd.

Chen Ruoxi's spirit perked up, and his eyes locked on Fang Yitian's body.

At this moment, Fang Yitian also turned to face her, and Fang Yitian, who had excellent eyesight, naturally saw Chen Ruoxi and Ye Maimai at a glance.

Without much thought, he walked over to the two girls, put down the plates, and sat down naturally.

"Yo!" He raised his hand to say hello, and then picked up the dishes and chopsticks to eat.

"Brother Tian, you are also coming to eat." Chen Ruoxi, a girl, has no love experience at all, and she seems a little dry when she takes the initiative to speak.

"Or else?" Fang Yitian was amused by her, and simply put down the dishes and chopsticks and chatted.

"Brother Tian." While chatting, Ye Maimai suddenly asked, "Do you have a smell on your body?" ”

"Huh?" Fang Yitian pulled his clothes, smelled them, and found that there was indeed a smell on his body.

It's the rusty smell mixed in with a little acid.

This was a remnant of the claw blade he had processed, he had already processed half of it before eating, and he had planned to go back to his room after eating.

"Just made something in the room and left it a little bit of a taste." Fang Yitian replied casually.

"What are you doing?" Ye Maimai's curiosity rose.

Chen Ruoxi also stared at her, she was also curious about this matter.

"The weapon, it's the knife, my knife is almost out of use all the way, so I'm going to make some more." Fang Yitian was relatively wary of the two girls, and said it directly.

"Oh, yes." Ye Maimai's eyes rolled, and he suddenly had an idea.

ps: If you are interested in communicating with the author, add a QQ group 160523095 (mainly a few people who want to read my book in Kangkang)