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.
We recommend if you suspect you have a chinchilla that is pregnant, that you provide a calcium supplement, in the form of a 1/4-1/2 a fruit-flavored Tums (or equivalent calcium antacid) twice a day from the time you suspect pregnancy. This will help the mother chin support the developing kit(s). Any calcium not needed by the mother will be flushed from her system. It's a good idea to check your chinchilla's teeth a couple times during the suspected (or known) pregnancy period and while she's nursing as well.