荧光灯

荧 = 艹 + 冖 + 火 : Maud Younger (y) has been cooking a sheet of artificial lawn (艹) on a cooking top (冖) over a fire (火) in the engine's kitchen ((e)ng2) and after she ate her dinner she started to fluoresce (荧).

光 = 小 + 兀 : Mnemonic symbol: a laser pointer.

光 = 小 + 兀 : Gitta Giraffe is giving a big concert in front of the anglepod. She set up a lot of laser pointers for the light show, the audience is throwing daisies up to her and she is just rocking her 胡兀尔.

灯 = 丁 + 火 : Don Quixote (d) was going for a walk in front of the engine ((e)ng1) with his lantern (灯) when it suddenly catched fire (火). He used a lantern which utilizes hydrogen, and when he accidentally ripped his lantern open at a nail (丁) on the floor, the hydrogen caught fire.