I bent the iron bars into hooks and fixed them on the ends of the cords.

我把铁棍弄弯成钩子，然后把它们固定在粗绳的末端。

While if you're talking about salts that have a very strong but rigid bond, if you were to try to bend a bar of salt, the bond will just be broken.

如果你谈论的是具有非常牢固但刚性的键的盐，如果你试图弯曲一块盐，那么键就会被破坏。