The games can be portrayed infinitely... but the tools for solving them are a few... however, you need to apply them in a wide variety of situations. Even then, you won't exhaust all renditions of the various game types in 5 sets.
... those to which all etching tools belong (to either one or ... the broader category of etching tools)?
2) I believe ... the category of objects Etching tools. As they both equally belong ... to the distribution of Etching tools per these two categories, we ...
Thank you so much @Drackedary. This means the world to me that you guys are helping me out and giving me good tools and advice. I will definitely start studying in the summer! Thank you thank you!!!!