Apprenticeship programs are also offered in Electrician, Heavy Equipment Technician, Millwright, Steamfitter/Pipefitter, and Welding. He undertook a apprenticeship to Mr. Gibb, a millwright. Archibald was known as a businessman, father, practical engineer, millwright, polygamist, husband, and Bishop. Three years later, he was apprenticed to his uncle, a millwright. Millwright and hydraulic engineer Jan Leeghwater has become famous for his involvement in these works. After they passed, they receive the certification and status of a qualified Millwright Tradesman. The machinery was to be made by millwright George Jenkyn of Cranbrook, Kent. The community was named for Luther Preston, a millwright and postmaster. In modern usage, a millwright is engaged with the erection of machinery. Spring sails were invented by Scottish millwright Andrew Meikle in 1772. Wood Brothers, an engineering and millwright company, also produced engines from its Valley Iron Works. The first portable chainsaw was developed and patented in 1918 by Canadian millwright James Shand. There, he worked as a millwright from 1761 to 1768. Heaton was a son of a millwright. The Dutch millwright A. J. Dekker improved on the efficiency of the common sail.