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OPD :
light source
Science
ℹ
like: light source
VNEN
nguồn sáng
*
☊
source of light, light source
*
☊
nguồn sáng * ☊ 
source of light, light source * ☊ 
light source Science nguồn sáng * ☊ source of light, light source * ☊