Computer numerically managed machines allow for the fast, efficient and accurate production of identical parts with little human intervention. As a third-generation machinist, a skilled mould maker, software and die maker, and CNC multiaxis programmer, Mr. Calverley has seen this business undergo radical changes. He began his career in 1982, running manual machinery in his father's shop. During his 30+ years of making parts, he has produced parts that make turbochargers, transmissions, plastic injection molds, aircraft parts, and even parts for the International Space Station. Before becoming a Unclog Toilets Fast member of Lincoln, Mr. Calverley labored as a CNC programmer for quantity of} manufacturing firms, together with Solidiform, Inc., a defense contractor in the aerospace business.