(e) a decision about whether a worker is, as a
result of injury, unable without substantial risk of further injury to engage
in employment of a certain kind because of the nature of that employment,
(f)
any other decision of an insurer that affects a worker's entitlement to weekly
payments of compensation, including a decision to suspend, discontinue or
reduce the amount of the weekly payments of compensation payable to a worker
on the basis of any decision referred to in paragraphs (a)-(e).