---heating(cylinder drives the electric furnace to lift in order to make a proof)
---pulling( cylinder drives the chain)
----lifting the lower die, falling the upper die(cylinder drives)
----vacuum forming(vacuum pump air admission )
---cooling(gas drives the spray gun to work, electric machinery drives the air
blowing)
blowing)
----drawing of patterns(gas drives)
---pulling-cutting
---stacking on the line.