Q-BOP Qualification Trials Quality Quarter Buckle Quarter Hard (No. 3 Temper) Quarter Hard Temper Quartz Quartzite Quench Aging Quench Crack Quench Hardening Quench Hardening (Steel) Quench Hardening 2 Quench Hardening 3 Quench Severity Quench Tank Quencher Water Quenching Quenching 2 Quenching 3 Quenching 4 QUICK DISCONNECT Quick Return