Home Study: A Vocational Training Course in Portable Precision Line Boring
The Line Boring Vocational Training Guide by Earl Hansen covers how to repair heavy equipment, build and operate portable boring machines (line boring and end boring) and restore worn out bores in 22 chapters. Materials include 50 large blueprints and 8 h
portable line boring instruction, portable boring machines, Vocational Training at home, Vocational Training Heavy Equipment Repair, Repair it yourself, making portable line end boring machines, farm agricultural ag equipment repair, farm tractor parts re
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