For the purpose of this chapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
PLUMBER. Any person, company or corporation engaged, either wholly or in part, in the business of laying, fitting, connecting and repairing natural or artificial gas pipes or mains, water pipes or mains or sewerage pipes or drains or in the doing of anything properly belonging to such work.
PLUMBING. The business of plumbing as engaged in by a plumber.
(`95 Code, § 72.01)