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Jaap Westerduin has been working as a Servicemonteur in various companies since 1978. Their current position is at Bonarius Bedrijven since December 2015. Jaap has experience in handling maintenance and repairs for central heating boilers primarily in residential buildings, as well as small installation tasks. Jaap holds an Mbo diploma in Servicemonteur installatietechniek and a Mavo4 diploma from Savorninlohmanschool Den Haag.