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Keywords from Image Description:
Percages et vis. en Blind holes and screw facing the tapped hole Machined in an aluminium block which was then milled fr Perages borgnes et vis en face du trou taraud Usin dans un bloc d'aluminium qui ensuite frais Verschillende boorgaten waaronder drie potgaten met schroefdraad Geboord in een blok aluminium en vervolgens gefreesd