Njengamanje singabaholi bomhlaba ekwakhiweni kwamavalvu embonini yeChemical and Petrochemical.I-Hikelok ingakusiza uphumelele.Kusukela ekunikezeni inhlobonhlobo yezinto ezisetshenziswayo zenqubo ezihlangabezana noma ezedlula izindinganiso zemboni ukuze kudizayinwe ukwesekwa okuvela konjiniyela abanolwazi, ukufakwa kweshubhu le-Hikelok, amavalvu, namashubhu kusetshenziswa kakhulu ekuxhumekeni kwezinsimbi ezijwayelekile okuhlanganisa:izinga lokulinganisa ingcindezi yokulinganisa izinga lokushisa lokulinganisa ukugeleza kwegesi yokusetshenziswa ukulinganisa, ukushintsha kanye nesistimu yokubamba isampula esiteshini