Final answer:
Steel assembly involves placing a bundle of decking on a minimum number of supports.
Step-by-step explanation:
In the context of steel assembly, the term 'decking' refers to a type of structural material used to create the floors or roofs of buildings. It is typically made of steel or concrete and is designed to provide support and stability.
During the assembly process, the bundle of decking is placed on a minimum number of supports, which are typically beams or columns.