| gear code | description of gear |
| qtr_grate | 1/4-length small bar space section |
| half_grate | 1/2-length small bar space section |
| std | standard Nordmore grate with a diamond mesh cod end |
| mbbg | with small mesh bag attached behind the small bar space grate |
| mbeh | with small mesh bag over escape hole |
| no_grate | no grate |
| StdDD | standard Nordmore grate/cod end |
| 716DD | 7/16” bent grate Diamond lengthener, Diamond mesh cod end |
| 716DS | 7/16” bent grate Diamond lengthener, Square mesh cod end |
| 716SD | 7/16” bent grate Square mesh lengthener, Diamond mesh cod end |
| 716SS | 7/16” bent grate Square mesh lengthener, Square mesh cod end |
| TapDD | Tapered, bent grate was placed in a diamond lengthening piece and fished with a Diamond mesh cod end |
| TapDS | Tapered, bent grate was placed in a diamond lengthening piece and fished with a Square mesh cod end |
| TapSD | Tapered bent grate Square mesh lengthener, Diamond mesh cod end |
| TapSS | Tapered bent grate Square mesh lengthener, Square mesh cod end |
| test code | description of test |
| std_v_nograte | standard vs. no Nordmore grate |
| std_v_half_grate_port_stbd | standard vs. 1/2 length grate on either port or starboard side of trouser trawl |
| std_v_mbeh | standard vs. mesh bag over escape hole |
| std_v_qtr_grate | standard vs. 1/4 length grate |
| std_v_qtr_grate_v_mbbg | standard vs. 1/4 length grate vs. mesh bag behind grate |
| std_v_qtr_grate_v_mbbg_v_mbeh | standard vs. 1/4 length grate vs. mesh bag behind grate vs. mesh bag over escape hole |
| std_v_half_grate | standard vs. 1/2 length grate |
| std_v_half_grate_v_mbbg | standard vs. 1/2 length grate vs. mesh bag behind grate |
| std_v_half_grate_v_mbbg_v_mbeh | standard vs. 1/2 length grate vs. mesh bag behind grate vs. mesh bag over escape hole |
| std_port_v_std_stbd | standard on port vs. starboard side of trouser trawl |
| std_v_716DD_v_tapSS | standard vs. 7/16" small bar space grate with diamond lengthener and diamond cod end vs. tapered small bar space grate with square lengthener and square mesh cod end. |
| std_v_716DD_v_716DS | standard vs. 7/16" small bar space grate with diamond lengthener and diamond cod end vs. 7/16" small bar space grate with diamond lengthener and square mesh cod end. |
| std_v_716SD_v_716SS | standard vs. 7/16" small bar space grate with square lengthener and diamond cod end vs. 7/16" small bar space grate with square lengthener and square mesh cod end. |
| std_v_tapDD_v_tapDS | standard vs. tapered small bar space grate with diamond lengthener and diamond cod end vs. tapered small bar space grate with diamond lengthener and square mesh cod end. |
| std_v_tapSD_v_tapSS | standard vs. tapered small bar space grate with square lengthener and diamond cod end vs. tapered small bar space grate with square lengthener and square mesh cod end. |