[事「こと」]だ => A is necessary/good (offering advice/suggestion) N3
Needs, Requirement
[事「こと」]ができる => Be able to A; can do A, Can A; be possible to A; N4
Causative, Passive, Volitional
ものの => Although A... N2
Contrast,Surprise
に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
の => Question N5
Particles
ぐらいのものだ => Only A N1
(Not)only , (Not) even
たもの => Used to N3
Sentence Endings
もの => Because of A N2
Reason, Result, Response
の => Turn sentence into question N4
Sentence Endings
の => A kind of question N3
Sentence Endings
ので => Because A, since A N4
Cause and Effect
の+ [至「いた」]り => Very A N1
Degree/ Level/Amount