... dried in steam dryer at temperature of 120 C for 30 mins.6. was taken from the slaughtered geese.We are ... :1. washed white duck feather 2-4cm, 3-5cm, 4-6cm, 6-8cm2. washed grey duck feather 2-4cm, 3-5cm, 4-6cm, 6-8cm1. washed white goose feather 2 ... -4cm, 3-5cm, 4-6cm, 6-8cm2. washed grey goose feather ...