In Melk, you will sail through the Wachau Valley.
From there we sail through Paradise Bay with its myriad icebergs and deep cut fjords, while having chances of seeing large whales.
While most children don't sail through potty training without a few accidents, they do eventually learn to use the toilet successfully.
A boat with a keel that sits low in the water can smoothly sail through some bodies of water but will quickly run aground in others.
Many lenders go by the middle score, so if you have say 712, 719 and 658, thanks to some obvious glitches in the last one, you may still sail through without a hitch.