Le nhlanganisela yenzelwe ukunciphisa imiphumela emibi yokuphuza utshwala njengekhanda elibuhlungu, isicanucanu, nokukhathala.Yenziwe ngezithako zemvelo ezisekela ukusebenza kwesibindi futhi zikhuthaze ukugeleza kwamanzi ukuze uthole okuhlangenwe nakho okujabulisayo kokuphuza.I-compound ingafakwa kunoma yisiphi isiphuzo futhi ifanele kokubili abaphuza ngokweqile nabaphuza kakhulu.
