WAL-Serabu Hospital CSSD 20121107 OR Set Assembly in sterilization department: Preparing surgical instrument sets Published 18 March 2016 at 1440 × 1080 in Gallery: Sierra Leone, 2012. Serabu Hospital. Installation of sterilizers; training of staff ← Previous Next → Sierra Leone, Serabu Hospita, Serabu. 2012-10-07. Preparing a surgical pack with instruments and the operating linen.