Most units will be appropriate for use with all teachers in primary, special and secondary schools where their subjects will support the application and reinforcement of the skills that are the unit’s focus. The document might well be used, for example, if a school’s self-evaluation process has indicated that the standard of learners’ writing is a problem either in English, Welsh or in subjects across the curriculum. In a Welsh or bilingual school setting, it might be more useful to use the Welsh version of the document for the majority of units, looking at the English units where there are differences between both languages, for example Units 6 and.