1. Extendable Shelving: Extendable shelving systems are designed to provide adjustable storage capacity based on the specific needs of the user. These systems typically consist of multiple shelves or sections that can be extended or retracted, allowing for flexibility in storage space. By extending or retracting the shelves, users can adapt the shelving system to accommodate varying inventory quantities or specific storage requirements. Extendable shelving is commonly used in applications where storage needs may fluctuate or where space optimization is crucial.

2. Cantilever Shelving: Cantilever shelving is a type of shelving system used for storing long, bulky, or irregularly shaped items such as lumber, pipes, steel bars, or furniture. The distinguishing feature of cantilever shelving is the absence of front column obstructions, allowing for easy access and retrieval of items. Cantilever shelving typically consists of vertical columns or uprights connected by horizontal arms that extend outward, creating a series of open shelves. These shelves provide excellent versatility and accessibility for storing items of varying lengths and sizes.