~ためしに…てみる => to attempt, to test, to try out N1
Invite and advise
~にしてはじめて      => since at ~ N1
始める => to start; to begin to ~ N4
あらためる => to revise; to replace N3
Happens next
をはじめ/をはじめとする => For example, A N2
Lists, Examples
にめんして => having a space looking towards N N2
Situation, case
にめんして => having a space looking towards N N2
Spatial relations
ひとつには…ためである => Partly because of ... N3
Cause, reason
[始「はじ」]める => To begin to A; A begins N4
Secondary Verb
ふしがある => Seem N2
Speculation
~んがため(に)/~んがための      => in order to ~ N1
~づめだ      => full of N1