Suction of fluids contained in refrigerating or freezing devices, especially of coolants and of compressor oils

Environmentally friendly storage of primary and secondary substances, especially storage of vegetable fats and oils, of fluorescent tubes, of dry batteries, of spray cans, of medicines, of solvents, of pesticides, of chemical products for laboratories, of waste containing mercury, of acids, of bases, of developing solutions, of fixing baths, of drained oils, of accumulators made of lead, of paints and of varnishes