Assertion: gastropod's radula | /r/CapableOf | operate like a chain of shovels
Facets:
Source sentences:
text: The radula operates like a chain of 'shovels', and the rigid structure operates like a rasp, scraping at hardened macroalgae.  
text: The radula operates like a chain of 'shovels', and the rigid structure operates like a rasp, scraping at hardened macroalgae.