Shi Ran nodded in understanding and asked seriously, "What materials are used?"
"Most catalysts contain precious metals or rare earth elements such as platinum and germanium, and are expensive..."
The teacher suddenly stopped talking at this point.
He seemed to have thought of something as well.
"If there is a problem with this, will the car catch fire?"
"The probability is very small. If the catalytic converter core is clogged, the exhaust will be blocked, resulting in excessive exhaust back pressure, which can cause the exhaust pipe to burn red and cause spontaneous combustion."
After that, there was silence for a long time.
The owner of the milk tea shop looked at Shi Ran and the teacher, broke the silence, and said, "I think you are thinking the same as I am now."
The two of them looked at the milk tea shop owner at the same time, and he continued.
"However, I haven't found any connection between this matter and the Mo Group, let alone Song Sichen. The most I can find is that Madam Song purchased platinum from the Mo Group's mine, and she paid a high price for it."
Shi Ran bit the straw in the milk tea cup.
"Song Sichen probably doesn't know."
She said in a firm tone.
She was the only one who was reborn, and Song Sichen didn't know what would happen in the future.
What's more, this incident had never happened in the previous life, and Song Sichen had no idea that such a thing would happen.
Shi Ran believed in Song Sichen, but when she thought of how violent he was in her previous life, she frowned and even felt a chill from the soles of her feet, causing her body to shiver.
But she still chose to believe Song Sichen.
Bang!
The sound of a glass breaking.
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