Add punctuation: Stateless Jewish refugees who had come to Denmark in the 1930s received assistance from the Central Office but these payments of temporary aid stopped in January 1946
A: Stateless Jewish refugees who had come to Denmark in the 1930s received assistance from the Central Office, but these payments of temporary aid stopped in January, 1946.

Add punctuation: Product details The programming interface PRI 602 USB in a switch panel housing connects a Windows PC via the USB port to the Siedle InHome bus and the Siedle Vario bus
A: Product details The programming interface PRI 602- USB in a switch panel housing connects a Windows PC via the USB port to the Siedle In-Home bus and the Siedle Vario bus.

Add punctuation: 3 Ferry lashings on the frame behind the axle unit
A:
3. Ferry lashings on the frame behind the axle unit