Three. Abbr. lm Physics The SI unit of luminous flux, equal to the level of gentle per device time passing by way of a solid angle of 1 steradian from a light supply of just one candela intensity radiating Similarly in all directions. See Desk at measurement. In addition, it https://zandereczxu.develop-blog.com/27780874/ks-lumina-things-to-know-before-you-buy