Joke Collection Website - News headlines - I want to find two couplets of 16 or 15. One is mechanical and the other is mould.

I want to find two couplets of 16 or 15. One is mechanical and the other is mould.

machine

Jacking: saw the steel pipe with the left hand in front and the right hand in the back.

Downward: open a section, let go of a section and weld the underframe bit by bit.

Horizontal batch: there is a way.

mould

Complement: Top cover and bottom cover are better than top cover and bottom cover.

Downstream: Now the products of internal mold and external mold are all good, and now the products of internal mold and external mold are all good.

Cross-examination: skin examination expert