Add spaces: Treatmentofanyinflammatoryprocessopeningwithitsassociatedmacerationandsecondaryinfectionsisbeneficial.

Answer: Treatment of any inflammatory process opening with its associated maceration and secondary infections is beneficial.

Add spaces: WithintheframeworkoftheARCH+features,theZurich-basedarchitectaffordedaninsightintohismodeofthinkingandhisdesignmethods.

Answer: Within the framework of the ARCH+ features, the Zurich-based architect afforded an insight into his mode of thinking and his design methods.

Add spaces: Sewsleeveandsideseamsinoneinside1edgest.

Answer:
Sew sleeve and side seams in one inside 1 edge st.