A fuel cell is an electrolyzer run in the other direction.

Source: https://seekingalpha.com/article/4582961-nel-asa-nllsf-q4-2022-earnings-call-transcript?source=feed_all_articles

In May, Accelera started electrolyzer production in Minnesota, US.

Source: https://investingnews.com/helium-evolution-provides-update-from-north-american-helium-s-fifth-farmout-well/

Once installed, the electrolyzer systems will provide 4,200 kilograms per day of hydrogen that will be “used to decarbonize road transport and natural gas sectors in Tasmania.”

Source: https://investorplace.com/2023/07/plug-stock-alert-plug-power-secures-huge-european-order/

So as you look at the backlog and it's predominantly the server with no electrolyzer in there.

Source: https://seekingalpha.com/article/4577952-bloom-energy-q4-earnings-hard-to-get-excited-now?source=feed_all_articles

Then secondly, could you elaborate on the hydrogen, the electrolyzer components business?

Source: https://seekingalpha.com/article/4584611-nv-bekaert-sa-beksf-q4-2022-earnings-call-transcript?source=feed_all_articles