Uyini Umkhawulo Wokugxila Kokuqhuma Kotshwala

Umkhawulo ophansi wokuqhuma (LEL) utshwala kuyinto 3.5%, kanye nomkhawulo wokuqhuma ongaphezulu (UEL) kuyinto 18.0%.

Ukuqhuma kwenzeka kuphela phakathi kwale mikhawulo emibili. Ngaphezu kwe-UEL, umoya awenele; amalangabi angavutha kodwa awakwazi ukusabalala noma abangele ukuqhuma. Ngaphansi kwe-LEL, ukugxila kwezinto ezivuthayo kuphansi kakhulu. Umoya owedlulele upholisa imvelo, ukuvimbela ilangabi ukusabalalisa futhi ngaleyo ndlela kugwenywe ukuqhuma noma ukuthungela.