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.
You may be wondering about the risks of eating the raw fish in sushi while breastfeeding. During pregnancy, some doctors recommend mothers avoid sushi because of the potential exposure to bacteria and parasites if the food is not stored, handled, and prepared properly. While breastfeeding, there is little risk of your child getting sick if you eat tainted sushi, but an ill mother is still not fun for anyone! As long as you are being served at a reputable and clean sushi restaurant, feel free to enjoy your sushi, raw or cooked!