how frequently does the letter e appear in:
pre-feeding stoppers: to avoid mismatching in the beginning of feeding stage, a specially designed stopping system ensures users a “place-and-go” feeding operation for non-stop splicing work.
user-friendly control panel: a “clear-and-easy” operation panel with user-friendly plc based interface touch screen mounted right in the front of the machine allows users to reach the best production output.
back clipper: this standard accessory ensures a precise “cut-to-size” veneer faces to be achieved.
pneumatic and hydraulic system: the ultimate is equipped with european-made pneumatic and hydraulic system for a highest quality.
hand-safety guard: to avoid any human false against operator’s safety, a photocell safety guard is mounted to protect operators when the crossbeam is in downward movement. the ultimate meets european ce safety requirements.
average production speed up to 15 ~ 25 cycles/min.
(depending on the veneer width and thickness of single sheet) up to 15 ~ 25 cycles/min.
compressed air 6 kgs/cm2, 95 l/min. 6 kgs/cm2, 95 l/min.

user
I found one hundred and eleven "e"s in the provided passage.
assistant