background
batch
blue
chemical
chemistry
color
colorful
colourful
design
dye
dyed
element
experiment
extrusion
factory
grain
grained
granulate
granules
heap
industry
injection
isolated
lab
laboratory
material
materials
molding
particle
pattern
pellets
petrochemical
plant
plastic
polymer
polymers
polypropylene
polystyrene
raw
recycling
research
resin
science
scientific
substance
technology
texture
thermoplastic
tinted
white