からつくる/でつくる => made from; made with N4
ひとつまちがえば => Just (negligence) N3
Ability
なければならない/なくてはならない/なければいけない/なくてはいけない/なければだめ/なくてはだめ => must N5
に気がつく => to notice; to realize N4
…ばあいもある => there are cases… N3
Ability
つつある => to be doing; to be in the process of doing ~ N2
ことによると / ばあいによると => perhaps, ... N3
Base, base
いつかの ... => Previously N4
Time
~且つ(かつ) => and N1
Line up, list
てくる => to start ~ N4
Situation
いつも => always; usually; habitually N5
~つい      => accidentally; unintentionally; by mistake N3
Regret