いちど .... ば/... たら => Just... once N4
Conditions (sufficient conditions)
すなわち => in other words; namely ~ N2
ちゃんとする => Serious, tidy, complete N3
Result status
ひとつまちがえば => Just (negligence) N3
Ability
... とすれば => point of view N2
Position, perspective
がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
... を... とすれば/ ... が... だとすれば => in the case of~; assuming~; if A then B (conditional) N2
Consider it
ばかりです => only; just ~ (speaker's feeling) N4
Time
だとすれば => in the case of N2
Deduce
~仮に...とすれば / としたら / とする => ~If..., suppose... N1
Condition (hypothetical condition)
ばいいですか => should; can; it'd be good if ~ N4
にすれば => from one's perspective; from the point of view of ~ N3
Position, perspective