the lungs of sheep, pigs, cattle, used as food for pet animals

luminescence from sun or other source

an instrument for drawing or writing, especially a wooden one containing lead or coloured wax

beam; indication

the giving out of light without burning or heat that can be felt, only through the action of biochemical reactions

luminescence from sun or other source

a line, beam, of radiant light, heat, energy; X-rays; a small sign; any of a number of lines coming out from a centre

beam; indication