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.
Hereâs what the Environmental Protection Agency and Food and Drug Administration recommend for women who are or may become pregnant, nursing mothers, and young children: 1  Donât eat shark, swordfish, king mackerel, or tilefish (sometimes called golden bass or golden snapper) because they contain high levels of mercury.