"Home canners" refers to individuals who preserve and store food by canning it at home. They use techniques like sealing food in glass jars to extend its shelf life. Full definition
As a former fall fair canning convenor as well as canning judge and long time home canner I really must warn you about reusing commercial jars. (crunchydomesticgoddess.com)
There has been no safe way researched for home canners. (eatingrules.com)