Figure 3
The laser placed on a steel, three-legged tower (the top was 6 m above ground level) that was secured to a concrete slab (1.5 m × 1.5 m) weighing approximately 2000 kg (source: photo by first author).
Figure 3 | Scientific Reports
The laser placed on a steel, three-legged tower (the top was 6 m above ground level) that was secured to a concrete slab (1.5 m × 1.5 m) weighing approximately 2000 kg (source: photo by first author).
