Salmon salad

Peel and simmer the beans under the lid 1/2 a glass of boiling salt water for about 15 minutes. Cast in a colander and let drain the water, cool. Lower the tomatoes into boiling water for a few seconds and peel off the skin. Cut the tomatoes into 8 pieces and remove the seeds. Rinse the lettuce leaves and let drain the water. Peel and cut the onions into rings, cut the gherkins into strips. Disassemble crab meat and remove rigid partitions. Finely chop the garlic. Cut the salmon into thin slices. Mix the vegetable oil with vinegar, mustard, salt, ground pepper, garlic, oregano and chopped parsley. Put a large plate with lettuce leaves, put beans, salmon slices twisted into a tube, the rest of the salad ingredients on the leaves, pour over the sauce.