Disassemble one of product that you can find easily. It can be an old or broken or non-working product. It can be anything; such as non-working computer mouse, electronic gadgets et al.. It is better if it consists of many parts. Also it has to be detachable.
* Find out at least 3 fine details which is directly related to the material and manufacturing processes.
* Document whole disassembling process with photos.
* Do not forget you will assemble it again.