1. Indawo ebanzi yokujonga: Igumbi lelanga linombono obanzi kakhulu, kwaye imbonakalo yangaphandle iba banzi. Ukongezelela, igumbi lelanga lilungile ekukhuleni kwabantwana kunye nempilo yabantu abadala.
2. Ukukhanya kwelanga okwaneleyo: Igumbi lelanga linokukhanya kwelanga okwaneleyo, okunokongeza i-calcium kubantwana kunye nokuqinisekisa ukukhula okunempilo kwamathambo abantwana. Ukongezelela, ukukhanya kwelanga okwaneleyo kunokunciphisa iimpawu ze-osteoporosis kubantu abadala.
3. Ukusetyenziswa okuninzi kwigumbi elinye: Igumbi lelanga lingasetyenziselwa iinjongo ezininzi. Ingasetyenziswa njengegumbi lokufunda, igumbi lokuzivocavoca okanye igumbi lokuhlala. Indawo ekhululekile, yendalo kunye nokuphumla inokukuzisela ubomi obungenasiphelo kwaye iphucule umgangatho wobomi bomnini.