agent
background
blue
bulb
chemical
chemistry
color
colorant
coloring
dye
dyed
element
extrusion
factory
grain
grained
granulate
granules
green
hdpe
heap
industrial
industry
lab
laboratory
ldpe
material
particle
pattern
pellets
pet
pigment
plastic
polyethylene
polymer
polymeric
polypropylene
polystyrene
pp
production
ps
pvc
raw
recycling
regranulate
resin
science
substance
thermoplastic
tinted