Ngokuvamile kuthinta amalunga amancane amaningi, njengalawo asezandleni nasezinyaweni.
Ihlala ngaphezu kwemizuzu engama-30, ikakhulukazi ngemuva kokungasebenzi.
Umthelela omkhulu emisebenzini yansuku zonke.
I-RA ingabangela ukukhubazeka okuhlangene futhi ikhawulele ukunyakaza ngokuhamba kwesikhathi.
Kubandakanya umkhuhlane, ukuncipha kwesisindo, kanye ne-anemia.