Answer:
Opened Push-button Switch (i.e. a PTM Switch)
Explanation:
Tha's just another symbol for a switch, but this one specifies that the switch is a push-button type of switch.
Since it's not touching and completing the line, the state of the switch is initially open.
Hi! I believe the answer is 2 meters(:
I think it’s b sry if I’m wrong tho
Answer:
over a rive or fast moving water or canyon
Explanation: you would use a suspension bridge in an area where you can't put supports down.