| 
	
![]()  | 
		![]()  | 
		![]()  | 
		
	| Retaining structures - ground stability: walls, embankments, rock formations ... | 
		Industrial Equipment - Sanitation: tanks, reservoirs, ponds, sewage small dams | 
		Testing, measuring and control in situ | 
	 | 
![]()  | 
	
| b>Expertise and diagnostics of diseases and disorders: loss, drought, bearing  |