Plastics

Disadvantage of plastics

awesome

Useful

Good

Helpful for CNC plastics.

Good to have knowledge about polymer

Very good for general culture

Very very good app...nothing to say...very helpful....and properly described everything as Wikipedia. ..

Helps a lot on graduate and post graduate studies on material chemistry; chemistry; chemical engeneering and so on. A good review on the matter and it also contains explanation on processing.😊

Take everything from wikipedia