And for anyone who thinks that the Chinese can only produce tat have a look at how they made earthquake safe buildings around 2,500 years ago.
https://gineersnow.com/industries/25...rthquake-proof
https://www.youtube.com/watch?v=w78Yb_aotH0
There's a difference between what you want to do/will do and what you might do/try to get away with/sabotage depending upon the recipient.
Andy.