Blockage

Similar: Material (45)Blockage is used together with Material 45 times, Problem (31)Blockage is used together with Problem 31 times, Information (18)Blockage is used together with Information 18 times, Processing (4)Blockage is used together with Processing 4 times, Blown (0)Blockage is used together with Blown 0 times, Butterfy Valves (0)Blockage is used together with Butterfy Valves 0 times

Nobody is using this term as knowhow-TAG: "Blockage"!