| http://www.w3.org/ns/prov#value | - Whereas all other parts of switching or measuring instruments, such as housings, mechanically movable parts, mechanical supports or connections, can be produced by methods which are capable of a high output per unit time (e.g., pressure diecasting, stamping, drawing, etc.), the production of printed circuit boards by wet chemical means consumes a disproportionately high amount of time and work.
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