<prompt> Translate the following text to EnglishBaadhi ya makundi ya kati hutegemea sana msaada wa kiufundi ulioko katika kitengo kingine cha shirika, wakati wengine wana ujuzi mkubwa wa kiufundi kati ya wafanyikazi wao wenyewe, na kwa hivyo, wanahusika zaidi katika kutekeleza moja kwa moja na kupima udhibiti.  <response>: Some central groups relied heavily on technical assistance located in another organizational unit, while others had significant technical expertise among their own staff, and, thus, were much more involved in directly implementing and testing controls. 