bottom robots to look for any sign of any oil escaping. but what they re going to decide later on today possibly is what they ll do with the cap itself. is it going remain this place, or are they going to start syphoning of the oil to the surface? one thing they ll monitor is something that we call psi, pounds per square inch. it s almost like a bottle of shchampagne that s been shaken is the same rule that applies here. and what s interesting is they want that psi to be somewhere between it present state of 6745 or even a bit higher, maybe as high as 8000 psi. anything that show as drop or a significant drop could indicate that there s a rupture below the sea floor. and that could be catastrophic because trying to cap that additionally could be just a