川 Six building blocks service delivery t Good health services are those which deliver effective, safe, quality personal and non-personal health interventions to those who need them when and where needed. with minimum waste of resources 29May2018Six building blocks – service delivery  Good health services are those which deliver effective, safe, quality personal and non-personal health interventions to those who need them, when and where needed, with minimum waste of resources. 29 May 2018 9