What do you mean greater than 6log?

Especially log6 is the sterilization standard! Quite a technical term! The sterilization rate reached 99.9999% within the specified time! But that advertisement is a joke! The old man said in the original words that the quality of the production line is very high and can reach log6. Now, quality management is all about six sigma, which means the defect probability of ideographic normal distribution! .