Gadzira shanduro yakaoma zvikuru yemutsara uyu Yakatanga kutengeswa nekambani yeSwitzerland Büchi muna 1957, uye yakatenderwa muna 1964.
Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeiyi "Yakatanga kutengeswa nekambani yeSwitzerland Büchi, uye Büchi 'Rotavapor' inoramba iri evaporator inotenderera inoshandiswa zvikuru, zvokuti 'Rotavap' yava shoko rinoreva zvakafanana nokuda kwezviridzwa zvakadaro".