However, special relativity shows that due to mass-energy equivalence, whenever non-material "energy" (heat, light, kinetic energy) is removed from a non-isolated system, some mass will be lost with it.. 
jẹ́ àgbà tẹnis tó gba ìfẹ́ ẹ̀yẹ Grand Sider.Àwọn àgbà tíwonsáwọn ayori Open Américo a Àṣẹ Afstralibọ̀wọ̀ Aipasẹ̀ Open Fránsì.. 