MODULAR AND TRANSPORTABLE MANUFACTURING UNIT OFFERING HIGH INDUSTRIAL SAFETY, ESPECIALLY FOR ADDITIVE METAL MANUFACTURING The unit (1) comprises a plurality of modules (M1 to M4) made from standard shipping containers (C1 to C4). The modules are juxtaposed and assembled together in a removable manner, and have between two juxtaposed modules at least one space communication zone comprising facing openings arranged in juxtaposed walls of the two modules and junction and sealing means arranged on the around the openings. The unit comprises a confined area (ZC) housing a manufacturing machine and exposed to a contaminating substance and / or contaminating residue, and a healthy zone (ZS) and a buffer zone (ZT). The confined area is fitted out in two juxtaposed modules (M1, M4) with a continuous floor area across the space communication area and the junction and sealing means ensure total sealing against dust and fluids and against -vis of the contaminating substance and / or contaminating residue. Fig. 1
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