[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
ものとして => To presume/assume A, to consider A (as true) N1
Information, Report
ものの => Although A... N2
Contrast,Surprise
し(~し) => and ... N4
Cause and Effect
の => Question N5
Particles
ぐらいのものだ => Only A N1
(Not)only , (Not) even
ながらに,ながらの,ながらにして => While A, during the condition A, Since A (point in time) N1
Time, Situation
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
たもの => Used to N3
Sentence Endings
ので => Because A, since A N4
Cause and Effect