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South African Journal of Industrial Engineering

versão On-line ISSN 2224-7890
versão impressa ISSN 1012-277X


SMIT, R.; TREURNICHT, N.F.  e  BLANCKENBERG, M.M.. Table grape punnet packaging: the influence of check-weighing. S. Afr. J. Ind. Eng. [online]. 2012, vol.23, n.3, pp.197-208. ISSN 2224-7890.

Most of South Africa's table grapes are exported to the EU and the UK. In recent years, prepackaged table grapes are now preferred in many European supermarkets. This increased demand has resulted in stringent quality standards, including the specification of punnet mass. Locally, table grapes are packed manually using seasonal labour, who often have limited formal education. Punnets must conform to upper and lower mass limits, but many deviations occur due to human and machine error. Check-weighing proved effective in reducing out-of-specification punnets, but human and machine errors were still problem factors.

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