Worker is related to Servant. Familiar is a type of Servant. Familiar is related to Comfortable. Comfortable is similar to Sufficient. 
Restrict is related to Limit. Limit is related to Rule. Rule is related to Technical. Technical is a synonym of Technological. 
Worker <--RelatedTo--> Servant <--IsA-- Familiar <--RelatedTo--> Comfortable <--SimilarTo--> Sufficient 
Restrict <--RelatedTo--> Limit <--RelatedTo--> Rule <--RelatedTo--> Technical <--Synonym--> Technological 