[ And Genos resumes his activity of cleaning high places. ]

Concentrated flame, or shooting heat blasts for long range. I can discharge some electricity upon close range hit. [ At least that's what he can think of. He wonders if there are more hidden weapons he might not be aware of ]

Aside from weapons there is also potato-peeler, and a can opener hidden in my hand. [ He's saying it as seriously as always. Yes, he's not joking. It does baffles him too, but it supports the theory of day-to-day activity being important. Or the theory of multiple sets of arms for different functions. ]