Sentence:  The <WSD>sprag</WSD> should still be taken apart for visual inspection of the components. I have seen <WSD>sprags</WSD> that still functioned correctly, but when taken apart, the spring cage that holds the <WSD>sprag</WSD> elements was completely destroyed. 
Meaning of the word marked with <WSD> tags:  A billet of wood; a piece of timber, a similar solid object or constructed unit used as a prop.