PSC etc.

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Across
  1. 2. A room used for cooking
  2. 4. Support primarily by buttocks
  3. 6. Helping or doing work for someone
  4. 7. A person receiving medical care
  5. 8. A rank of nobility in the UK
Down
  1. 1. An act of compassion, courteous or cordiality
  2. 3. Healthcare institution
  3. 5. The middle point of a circle