Assertion: anode | /r/HasProperty | effective
Facets:
value: for protecting aluminum components
type: PURPOSE
Source sentences:
text: Such anodes are effective even for protecting aluminum components — lower end cases, for example — because the aluminum used in the anode is a more anodic alloy.
text: An important thing to remember is that you must complete a "circuit" for the anode to be effective, which means that the zinc must be in direct contact with the metal components of your boat located below the waterline.