6
Tree guards of metal; tree grilles, guards and gratings of metal; metal guying cables; metallic supports; all for use in tree planting; tree grilles of metal
11
Irrigation apparatus, water sprinkler apparatus; all for use in tree planting
17
Barriers (plastic sheeting) to control the spread of tree roots
19
Tree guards (non-metallic); tree grilles (non-metallic); guards and gratings (non-metallic) all for use in tree planting; non-metallic construction supports all for use in tree planting; non-metallic construction supports for use in horticulture and landscaping; non-metallic building materials all for use in horticulture, tree planting and landscaping; non-metallic load bearing supports and structures for use in horticulture, tree planting and for use in preventing soil from becoming compacted; soil vents (non-metallic); structural elements (Non-metallic -) for use in soil, tree support and planting, horticulture and landscaping; soil cells; structural elements made of plastic; space frame structural units, not of metal; non-metallic structural modules forming a load bearing matrix, including for below ground use; structural elements, space frame units and structural modules (not of metal) all for use in the ground in relation to horticulture, tree support and planting, soil erosion control, and reinforcement of surfaces, including pavements; polypropylene building blocks to control the spread of tree roots; polyethylene building blocks to control the spread of tree roots; interlocking modular frames to control the spread of tree roots; modular frames to control the spread of tree roots
20
Tree support structures and frames; tree supports; plant supports