Drums can be constituted-of-or-filled-with (hydrogen peroxide).
Motorists may need an infrastructure of (hydrogen filling stations).
Beams can be constituted-of-or-filled-with (hydrogen protons).
(Hydrogen sulphide gas) may be produced by combinning detergent.
An infrastructure can be constituted-of-or-filled-with (hydrogen filling stations).
A mix of (hydrogen peroxide) may have a strength to gelignite.