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.
Is it safe to eat sushi during pregnancy? It's usually safe to eat sushi and other dishes made with raw fish when you're pregnant. However, depending on what fish the sushi is made from, you may need to make sure that it has been frozen first. You should also limit the amount of some types of fish that you eat while pregnant, such as tuna and oily fish.