The present invention provides a seat strip hanger 1 for supporting a coat hook located in the seat head rest 2. This feature is fashioned with a retractable strip 3 that hides the strip hanger when not in use. The location offers easy access for the customer and does not affect rear visibility. Clothes have mores space to be hung and therefore have less probability of getting wrinkled. Method and system for combustible process gas venting from an enclosed environment In a low-pressure enclosed environment a process gas. like hydrogen gas, may be used and thus be present. The environment is brought to low-pressure by use of a number of vacuum pumps. For safety reasons and as illustrated in Figure 1, when using a combustible process gas. like hydrogen, anenclosure of the vacuum pumps should be sufficiently ventilated, t'orexample by ventilating with ambient air. Further, usually, the process gas is brought to atmospheric pressure and then burned. The combusted gases may then be exhausted to an ambient environment.
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