Plongeurs sous-marin en piscine (France). Essai d'un prototype de recycleur sous la surveillance d'un autre plongeur. Tags: surveiller; surveillance; sécurité; combinaison étanche; attendre; plongeur sous-marin; chaux sodée; absorber; dioxyde de carbone; oxygène; gaz; recycleur; recycler; circuit semi-fermé; piscine; eau limpide; bleu; détendeur; masque; tuyau; équipement; combinaison néoprène; bulle; respirer; respiration; expérimentation; plongée technique; inventeur; Jan-Philip BRANDT; experimental; semi; closed; semiclosed; circuit; rebreather; recycle; recycled; CO2 absorber; scrubber; absorbed; canister; full; absorbent chemical; soda lime; to absorb; carbon dioxide; oxygen; O2; to recycle; recycling; half-closed circuit; swimming pool; limpid; water; blue; technical diving; regulator; mask; gas; pipe; hose; wetsuit; suit; neoprene; bubble; to breathe; breathing; experimentation; inventor; creator; diver; recreational; provide; good; underwater; duration; scuba; diving; subaqua; scubadiver; scubadiving; equipment; supervise; monitoring; safety; drysuit; waiting; wait;