Since an ACI system is much smaller and uses substantially less steel than an SCR or FGD system, cranes and other lifting equipment can be of low to moderate lifting capacity.
Cranes of large capacity are not required anymore.
mnli hypothesis: Cranes of large capacity are not required anymore. premise: Since an ACI system is much smaller and uses substantially less steel than an SCR or FGD system, cranes and other lifting equipment can be of low to moderate lifting capacity.