convenient

come off, become detached / subside (especially of a fever, pain, etc.) / to come off / be taken as (be interpreted in a certain way) / to keep, to maintain / the potential form of 取る, to be obtainable

stay-on-tab (can tab)

convenience

to open / to make (a hole)

to broaden; to become wide / to develop; to progress; to improve / (of a person) to be enlightened; to be inspired; (perfect tense) to be sharp or clever

cover / lid / flap

lid; cap; cover; (malacology) operculum

a can, a tin

pot; can / tin can / container / jar radical (no. 121)