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.
Read more about avoiding mercury while eating fish during pregnancy. Read about taking fish oil supplements during pregnancy. Find out if it's safe to eat raw fish during pregnancy. Find out if it's safe to eat raw oysters during pregnancy.