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Bakery – margarine preparation, margarine wash machine and separation of starch flour from bakery dough with water
Illustration describing bakery procedures for margarine and starch production from dough separation
Horticulture engraving: grafting techniques and grafting knives
Horticulture: grafting techniques and tools. Grafting is a horticultural technique whereby tissues from one plant are inserted into those of another so that the two sets join together.