_Select desired type and size._—Three types of tin cans are used in home
canning—plain tin, C-enamel (corn enamel), and R-enamel (sanitary or
standard enamel). For most products plain tin cans are satisfactory.
Enameled cans are recommended for certain fruits and vegetables to
prevent discoloration of food, but they are not necessary for a
wholesome product.
The types of cans and the foods for which they are recommended are: