Look!
Go here 4 da original pic https://www.google.com/search?q=parts+of+an+incandescent+light+bulb&espv=2&biw=1680&bih=909&tbm=isch&source=lnms&sa=X&ved=0ahUKEwiK2_yZvanRAhWi5oMKHST1AmEQ_AUIBigB&dpr=2#imgrc=AJRrG-RhEtucNM%3A
