Keels can suffer a lot of abuse and it needs an expert shipwright to set them up correctly, especially those that hit a few sandbanks. Corrosion is also a big keel enemy, but as this page will show, Aczel can fix it, no matter what the problem.
'It is said that if Noah's ark had to be built by a committee; they would not have laid the keel yet; and it may be so. What is many men's business is nobody's business. The greatest things are accomplished by individual men.' Charles Spurgeon 9th Century British author