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.
Can Pregnant Women Eat Crawfish. Sure. The only reason why shellfish is sometimes frowned upon is if it's not properly cooked. I've eaten (and cooked) a ton of crawfish myself, and I can tell you I boiled the you-know-what outta those suckers. I think it should be fine. The danger from undercooked shellfish is listeria, but especially in LA where the crawfish are fresh, I don't think you have to worry.