17 Non-metallic seals for use in tunnel constructions, shaft constructions, railway constructions and building; non-metallic sealing and insulating materials; non-metallic sealing strips and gaskets; non-metallic sealing profiles in the nature of sealing materials, in particular sealing profiles for tunnel constructions, shaft constructions and railway constructions; non-metallic waterproof seals for joints; non-metallic seals for joints; non-metallic seals for tunnel lining segments; non-metallic sealing profiles in the nature of sealing materials for tunnel lining segments; non-metallic seals for manhole components; non-metallic seals for manhole covers and manhole rings; sealing profiles in the nature of sealing materials made of rubber, in particular sealing profiles for tunnel constructions, shaft constructions and railway constructions; non-metallic sealing strips for tunnel constructions, shaft constructions, and railway constructions; sealing strips made of rubber, in particular sealing strips for tunnel constructions, shaft constructions and railway constructions; sealing strips made of synthetic rubber, in particular sealing strips for tunnel constructions, shaft constructions and railway constructions; sealing profiles in the nature of sealing materials made of rubber strips; sealing elements made of rubber, namely, sealing strips, sealing gaskets, sealing rings, sealing mats, and sealing sheets; elastomeric sealing material being liquid impermeable, namely, joint seals for use in tunnel constructions, shaft constructions, and railway constructions; non-metallic sealing profiles in the nature of sealing materials made of elastomers; articles made of rubber in the nature of rubber strips, gaskets, rings, mats, and sheets for sealing purposes; non-metallic sealing material for expansion joints; rail pads being insulators for railway tracks; shock absorbent insulation material of rubber, in particular insulating material for railway constructions; insulations with sealing functions for noise protection, in particular insulation for railway constructions; insulators for railway constructions; elastomer profiles in the nature of elastomeric materials for damping and insulating purposes for railway constructions; shock absorbing buffers of rubber for railway constructions; shock absorbing rubber articles in the nature of rubber strips, rubber profiles, and rubber mats for railway constructions