Concrete block 140mm 7n. Plaster & Plasterboards. Concrete Blocks. A quality building block which can be used in both internal and external construction. Texture and colour can be dependant on the local manufacturer in your area.
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Automatic concrete cement block brick making machine is selling well
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35*35CM Concrete Vibrating Table Vibration Test Bench Test Block Vibration Platform Stainless Steel
Aliexpress UK