Please capitalize where necessary: direct sale: if charvin is present or if you have an appointment
A: Direct sale: If Charvin is present or if you have an appointment

Please capitalize where necessary: it is only necessary to eat during this period.
A: It is only necessary to eat during this period.

Please capitalize where necessary: the historical dimension is presented briefly at the end of the guidelines, and a more detailed description of other available methods for we-lca can be found in the technical report that forms the basis for the present guidelines.
A: The historical dimension is presented briefly at the end of the guidelines, and a more detailed description of other available methods for WE-LCA can be found in the technical report that forms the basis for the present guidelines.

Please capitalize where necessary: he only had five papers published before being appointed to this chair but his quality was evident to all concerned.
A:
He only had five papers published before being appointed to this chair but his quality was evident to all concerned.