Today I installed an infrasound sensor into the 2nd prefab at the entrance.
This morning I moved the INF04 infrasound sensor from the prefab2 (smaller one) to the prefab1 for today's fire drill and future return of the prefab2.
Today I installed an infrasound sensor into the 2nd prefab at the entrance.
This morning I moved the INF04 infrasound sensor from the prefab2 (smaller one) to the prefab1 for today's fire drill and future return of the prefab2.
