Abbreviation;"Full description" "Aa 2";"Eel drift-seine" "C 130";"Ring-trawl, 130 cm in diameter at opening, 1 mm mesh size, horizontal haul" "C 200";"Ring-trawl, 200 cm in diameter at opening, 1 mm mesh size, horizontal haul" "D 1";"Dredge, rectangular opening, 27x117 cm, 1 mm mesh size, horizontal haul" "D 2";"Dredge, triangular opening, 45x45 cm, 1 mm mesh size, horizontal haul" H;"Hand-Dredge, 18x14 cm" L;"Long-line with halibut and cod hooks" M;"Monaco trawl, 56x170 cm at opening, horizontal haul" "N 30";"Nansen's closing net, 30 cm in diameter at opening, gauze No. 20, 0.076 mm mesh size, vertical haul" "N 50";"Nansen's closing net, 50 cm in diameter at opening, gauze No. 20, 0.076 mm mesh size, vertical haul" O;"Otter-trawl, head-rope 15.25 m (50 feet), 30 mm mesh size, horizontal haul" "P 100";"Silk-net, open, conical, 100 cm in diameter at opening, gauze No. 3, 0.333 mm mesh size" "P 30";"Silk-net, open, conical, 30 cm in diameter at opening, gauze No. 20, 0.076 mm mesh size" R;"Shrimp net" "S 100";"Stramin-net, open, conical, 100 cm in diameter at opening, 1 mm mesh size" "S 150";"Stramin-net, open, conical, 150 cm in diameter at opening, 1 mm mesh size" "S 200";"Stramin-net, open, conical, 200 cm in diameter at opening, 1 mm mesh size" "T 25";"Taffeta-net, open, conical, 25 cm in diameter" "Y 200";"Young-fish trawl, 200 cm in diameter at opening, 1 mm mesh size, horizontal haul" "Y 330";"Young-fish trawl, 330 cm in diameter at opening, 1 mm mesh size, horizontal haul" "E 1000";"Open Ringtrawl, 1000 cm in diameter" "E 300";"Open Ringtrawl, 300 cm in diameter, meshes 24-18-12 mm" Y;"Petersen trawl, without opening given"