A “cold joint” is visible - fresh mortar is placed on the already hardened one

 
A “cold joint” is visible - fresh mortar is placed on the already hardened one - 3D, Building, Construction Printer, Innovations, Video, Vertical video, Mat, Longpost, Poor quality
A “cold joint” is visible - fresh mortar is placed on the already hardened one - 3D, Building, Construction Printer, Innovations, Video, Vertical video, Mat, Longpost, Poor quality



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