tracing paper

duplication / replication (of DNA etc.)

to duplicate / to replicate

to use / to employ / to make use of, to apply / to spend

picture, painting, drawing, sketch

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret