A wheelwright is  a craftsman who builds or repairs wooden wheels. The word is the combination of wheel and the archaic word wright, which comes from the Old English word wryhta, meaning a worker or maker.
It is advisable not to eat mercury-rich fish such as these during pregnancy.. Look out for fish that taste especially metallic, a sign of high mercury levels. Medium-mercury fish include Chilean sea bass, grouper, cod, Mahi Mahi, monkfish, and snapper. Low-mercury fish are the safest for pregnant women.
While some types of sushi can be dangerous, cooked fish is a healthy choice during pregnancy. It can also give you a boost while you are breast-feeding. Fish is a good source of Vitamin D (fatty fish), omega-3s (fatty fish), and niacin. All of these are nutritionally beneficial to your diet and baby. If you want to eat cooked fish in sushi, beware of cross-contamination at restaurants.