Worktables, workbenches, other table-like furniture comprising at least a tabletop or worktop capable of supporting work items, especially downdraught worktables and workbenches being furniture having a tabletop or worktop through, around, over, or under which air or other fluid can pass while still providing a supporting surface; air-permeable tabletops or worktops for worktables and workbenches; worktable or workbench furniture, especially downdraught worktables and workbenches, which are any one or more of: mobile, static, collapsible, transportable, free-standing, self-contained, fixed-in-place, foldable, wheeled or provided with casters or rollers, height-adjustable especially when the furniture is provided with supporting legs or supporting frame, incorporating motorised apparatus (e.g. including one or more fluid driving motors capable of delivering fluid and/or extracting fluid, through, over, under, above, below, and/or around the tabletop), carryable (e.g. by means of a carry handle or other suitable component), primarily of metal or metal alloy materials, primarily of non-metal materials, made of a mixture of materials including both plastics materials and metal or metal alloy, provided with one or more air filters, provided with fluid inflow or outflow ducting or other fluid guides above, below, at one or more sides of, and/or around the worktable or workbench; accessories, parts and fittings for all the aforesaid goods allowed in this class