Izingxenye ze-Rubber-metal zidlala indima ebalulekile ekumisweni kokuqondisa nokumiswa kwezimoto zesimanje:
√ Yehlisa ukudlidliza kwezinto zokushayela, imizimba yezimoto nezinjini.
√ Ukwehliswa komsindo wesakhiwo, okuvumela ukunyakaza okuhlobene futhi ngenxa yalokho kunciphisa amandla asebenzayo kanye nezingcindezi.