6:13

ASTM C143 Slump of Hydraulic Cement Concrete

11:35

ASTM C173 Volumetric Air Meter Test

14:40

ASTM C172-19a: Standard Practice for Sampling Freshly Mixed Concrete

6:11

3 Concrete Slump

3:09

ASTM C617 - Sulfur Capping

4:52

2 Concrete sampling

18:59

araba motoru nasıl çalışır

17:58

The Incredible Strength of Bolted Joints