Flexible hoses and pipes made of rubber or plastic or silicone and flexible tubes, not of metal, all for use in carrying foodstuffs, beverages, fluids, liquids, gases, vapors and abrasive materials and for protecting electrical wires; flexible tubes of rubber; flexible tubes of plastic; non-metal polytetrafluoroethylene hoses or PTFE hoses that are electrically conductive and reinforced with stainless steel braid, all for use in the chemical, pharmaceutical, cosmetic, biotechnological and foo...