fontsaddict.com
A mixed-reactant direct methanol redox fuel cell where all reactants (anolyte and catholyte mixed) are supplied to ..…
An engineered fuel cell electrode design where reactants must flow through a porous interface (white).…
This is a detonator box. when the handle is pushed down, a dynamo will generate a spark that was used to ignite e.g..…
I created this icon to add into a logo of a new service base on qrcode.
It is very explicit on how the qrcode work..…