Hoganas made a move away from traditionally woven-wire sieves by embracing the revolutionary new alternative manufactured by Tecan. The new sieves employ leading-edge Photo Electro Forming (PEF) techniques, believed to be the most advanced in the world, producing one-part high-accuracy sieves with ultra-fine apertures which are highly consistent across the mesh. They can be produced in standard and bespoke forms to offer unparalleled screening, filtering and particulate processing accuracy levels - with operational lifetimes many times greater than conventional woven-wire sieves.
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Tecan

Comment: Hydrogen requires a long-term mindset
I am not sure that a consensus is possible - unless it goes for liquid hydrogen (as an end product) - as (unless airships are revived) the parasitic...