The extrusion process has been likened to squeezing toothpaste out of a tube.
(The extrusion process; has been likened; to squeezing toothpaste out of a tube) (The extrusion process; to squeezing; toothpaste; out of a tube)
The extrusion process The extrusion process
has been likened to squeezing
to squeezing toothpaste out of a tube
toothpaste out of a tube