dimotlolo tsohle tsa saense di bontsha hore sekgahla sa tshwaetso se tla tswella ho phahama ka lebelo le ka matla dikgweding tse mmalwa tse tlang.

tonkhe tindlela tetesayensi tikhombisa kutsi lizinga lalokutseleleka litawuchubeka lenyuke ngesivinini lesisetulu kuletinyanga letimbalwa letitako.
