Now just can -- when disassembling a mechanical wristwatch you realize that these things were built with serviceability in mind. There's no glue, everything com

Now just can -- when disassembling a mechanical wristwatch you realize that these things were built with serviceability in mind. There's no glue, everything comes apart with ease. That's one of the main reasons for my fascination with them. How many other things in our daily lives are built like this?