The functions and activities carried out by the U.S. Postal Service, foreign postal services, and private postal services such as Federal Express.
Mail,Mail Distribution,Mail-Order,Service, Postal,Distribution, Mail,Distributions, Mail,Mail Distributions,Mail Order,Mail-Orders,Mails,Postal Services,Services, Postal
D002840
Chromates
Salts of chromic acid containing the CrO(2-)4 radical.
Chromate
D003877
Dermatitis, Contact
A type of acute or chronic skin reaction in which sensitivity is manifested by reactivity to materials or substances coming in contact with the skin. It may involve allergic or non-allergic mechanisms.