The piece of equipment that is not standard that may be needed for SCRs and possibly for FGD systems is a tall-span heavy-lift crane.
Only standard equipment is needed for SCR and FGD systems.
mnli hypothesis: Only standard equipment is needed for SCR and FGD systems. premise: The piece of equipment that is not standard that may be needed for SCRs and possibly for FGD systems is a tall-span heavy-lift crane.