3 - Rock Properties
15:43
Directional Drilling for Tunnel Investigation
22:35
Troubleshooting Prepreg Failures with Alpha Technologies' Encapsulated Sample Rheometer (ESR)
6:52
6 - Gases in Rock and Coal
17:37
A Ciência das Bolas
21:50
Tosoh HLC 8420 GPC
24:21
Ontario premier threatens to ‘shut off electricity completely’ for US if trade war escalates
27:15
O Conceito Mais Mal Compreendido da Física
12:55