Assertion: eel's size | /r/HasProperty | common 55-gallon drum
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Source sentences:
text: They have been built using many different sizes of steel drums, such as 30 US gallons (110 l; 25 imp gal), 55 US gallons (210 l; 46 imp gal), and 85 US gallons (320 l; 71 imp gal) for example, but the most popular size is the common 55-gallon drum.