pressure burst＝ rock burst

a feather in one’s cap

Aftlershaft feather

astern through feather position

axial feather

bedding feather

birds of a feather

Birds of a feather flock toget

Birds of a feather flock together

Black boned chicken with black feather

black duck feather

black- feather chicken

black feather strain of Tulufan chicken

black hen feather duster with rattan handle

black-speckle feather breed-layer

blue and white stripe cotton cloth feather pillow

BOF Birds Of a Feather

BOF Birds Of Feather

bolt head with feather