Anonymous ID: 49f280 April 19, 2018, 10:20 a.m. No.1102311   🗄️.is 🔗kun

>>1102284

Yep…I have listened to all of them in comparison

It sounds exactly like Tubing Conveyed Perforators in an oilwell. You drop the down the tubing to detonate the guns and perforate into the oil formation