Complex sentence: Concerns were raised about how the iLoo would serve to extend waiting lines, and as to how hygienic it would be to share keyboards in a public loo, and what would be done if they were urinated upon.
Split into simpler sentences: Concerns were raised about how the iLoo would serve to extend waiting lines. Additional concerns were raised as to how hygienic it would be to share keyboards in a public loo, and what would be done if they were urinated upon.