National Museum Bloemfontein has published request for proposal for the provision of professional services of a mechanical engineer in relation to the dust extraction system in the palaeontology department of the national museum. request for proposal for the provision of professional services of a mechanical engineer in relation to the dust extraction system in the palaeontology department of the national museum. request for proposal for the provision of professional services of a mechanical engineer in relation to the dust extraction system in the palaeontology department of the national museum. request for proposal for the provision of professional services of a mechanical engineer in relation to the dust extraction system in the palaeontology department of the national museum. Bidders can get complete Tender details and download the document.