sentence1: Component modularization and prefabrication off-site can reduce the amount of time cranes are needed on a site, as well as provide opportunities to reduce project schedules and construction costs and to concentrate jobs locally at the prefabrication facility and true is true and true is true and true is true and true is true and true is true .
sentence2: When work is done off-site, such as prefabrication, it increases the time cranes are need on a site and raises construction costs.