 
 <prompt> Wetin be di intangible object wey dey central to di proper functioning of a lighting fixture? Based on di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Lighting fixtures dey come in plenty different styles for different purposes. The main functions na to hold di light source, provide directed light and prevent visual glare. Some dey very simple and functional, while some na pieces of art on their own. Almost any material fit dey used, as long as e fit withstand di heat and dey in line with safety codes. 