Contrasts older hand methods of blowing glass with modern techniques of making glass by use of automatic machinery. Illustrates step-by-step procedures of blowing a glass piece by hand. Highlights the facial expressions and concentration of the glass blowers. The musical score is adapted to the visuals. No narration.Many angles of the glass-making process, all medium shots or closeups, typically either of the faces of the glass blowers (often but not always as they blow into long metal tubes) or of the molten glass being shaped, fired in furnaces, or put into molds. Also, closeups of arms and hands as they spin the metal tubes around. Some men dressed in plaid, others in coats and glasses.