Recently, however, the engineer who told me this story let me know there was a happy ending. They never compromise on flexibility. And then the cell needed to change again. And then the cell needed to change. And then the electrical engineer left the company.
A pie has landed on an electrical engineer's head.
( z0 land :ARG1 ( z1 pie ) :ARG4 ( z2 head :part-of ( z3 person :ARG0-of ( z4 engineer :mod ( z5 electricity ) ) ) ) )
(z0 / land-01
    :ARG1 (z1 / pie)
    :ARG4 (z2 / head
              :part-of (z3 / person
                           :ARG0-of (z4 / engineer-01
                                        :mod (z5 / electricity)))))
A pie has landed on an electrical engineer 's head .
z0 :ARG1 z1
z3 :ARG0-of z4
z4 :mod z5
z2 :part-of z3
z0 :ARG4 z2