When a (cooking) gas pipe is laid in your house, never connect any gsyser (for heating water, which runs on this gas) on this gas line; because if any leakage takes place, then a person taking bath in the bathroom will get choked (and may even die of suffocation), since s/he will not get oxygen, but there would be lot of carbon-gases.
Take this very seriously.
Watch the video:
https://youtu.be/VOhGeNqlu6M.
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