Some industries like refineries must be confined to lower building heights. This new proposed "plug-and-play" industrial building attempts to maximize land use given that limitation.
From AsiaOne Business:"Companies have to share a centralised 'backbone' that comprises warehousing and logistic facilities, as well as a workers' dormitory.
Factories are located alongside, with each plugging into the backbone's services. Such an integrated facility would enable more factories to be built on a smaller piece of land, with land use cut by 35 per cent."