An ingredient called “factice” is what does the erasing.

起擦除作用的那叫做“硫化油胶”。

Then there's my crowning glory, inelegantly referred to in the trade as “the plug,” the part man uses to erase the errors he makes with me.

然后是我那至高无上的王冠，在该行业中被人很粗俗地称之“塞子”，是人们用来擦除用我犯下的错误的那个东西。