agriculture
bowl
bush
chemistry
collect
collection
commodity
crop
cultivated
economy
elastic
factory
flora
flow
flowing
green
hevea brasiliensis
industrial
industry
latex
leaf
liquid
lumber
malaysia
material
milk
natural
natural rubber
nature
plant
plantation
pot
process
produce
product
raw
resources
rubber
rubber tapper
source
supply
tapped
tree
tropical
trunk
tyre
white