Social issues are denoted, under each heading, in a range of identifiable concepts indicating the absence or presence of ideal conditions. To indicate degrees, if these are not represented here, use the common auxiliaries of properties Table 1k -02. To indicate people suffering from particular problems as well as the issues themselves, use colon combination and common auxiliaries of persons Table 1k -05 to denote the age groups and/or gender. For problems applying to particular ethnic groups use common auxiliaries of ethnic grouping Table 1f. To keep international problems separate from problems at individual, community level, intercalate place auxiliaries Table 1e, after 364. For causation use 364-1 Theories of social welfare, from the special auxiliaries listed at 364. For persons involved in social welfare see 364-4