A pictograph of a blasting machine used to detonate a mountain of TNT. As you can imagine it's a quite dangerous device, so you need to use both of your hands to trigger it.
both (hands, parents, sides, etc.); counter for carriages (e.g. in a train); counter for vehicles; ryō; tael; ryō; pre-Meiji unit of currency, orig. the value of one ryō of gold