Metal shingles; Roof coverings of metal; Roof flashing of metal; Roof gutters of metal; Roofing of metal, incorporating solar cells; Roofing tiles of metal; Hooks of metal for roofing slates; Metal roof flashing; Metal roofing; Metal roofing hips; Metal roofing panels; Metal roofing tiles; Metal vent covers for roof deck protrusions, drains and pitch pans