: The Airports Company South Africa (ACSA) released documents in 2022 regarding a Request for Quotation (RFQ) for the refurbishment of Alpha and Echo Personal Locator Beacons (PLBs) canopies at O.R. Tambo International Airport.
: An article in the South African Journal of Botany describes the induction of Protocorm-Like Bodies (PLBs) , specifically for the conservation of the Ansellia africana orchid. Download Plb South Africa 2022 pdf
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