By completing each component gradually and in stages.

(idiomatic) Of the same kind. / Used other than figuratively or idiomatically: see of, a, piece.

(transitive, usually with together) To assemble (something real or figurative). / To make, enlarge, or repair, by the addition of a piece or pieces; to patch; often with out.

simple past tense and past participle of piece

a small part of something larger

Used other than figuratively or idiomatically: see to, piece. / Into fragments or parts. / (idiomatic) Completely, utterly. / (idiomatic) Out of control.

plural of piece

Third-person singular simple present indicative form of piece

plural of piecing

A patch.