industrial plant pipe 01

atmosphere big clouds combine ecology factory harmfulness high industry ladder manufacturing old pipe pollution rusty sky smoke steam edeg nefrac14 efrac34 nnemicro nedeg eplusmn eraquo nnedeg esup2 emicro nemicro eacute efrac12 nnn nnefrac34 eordm emiddot esup3 nnemiddot ecedil efrac14 nneiquest nesup1 nnefrac12 eiquest nefrac34 nnesup2 nneraquo nepara nnneplusmn necedil neordm