樫の木
輸出する
agricultural
agriculture
algarve
bark
commodity
cork
cork oak
cork oaks
corks
crop
cultural
culture
europe
european
export product
forest
harvest
harvesting
industrial
industry
layer
layers
light
light weight
material
natural
naturally
oak trees
orange
orchard
peel
portugal
portuguese
product
quercus
quercus suber
raw
season
seasonal
summer
tradition
traditional
tree
tree bark
tree trunk
trees
trunk
yield