Yes it make sense that , so long as trains are required to have a driver and a guard , the labour should be divided that way . <| sep |> Bolt skewers on front and back . <| sep |> Thats a name I haven ' t heard in a long time <| sep |> VERY minor , but I think it ' d be super cool if you could select your own helmet color . <| sep |> In the frequency range of about 3 to 30 MHz , called the highfrequency HF band , signals can bounce off the ionosphere , come back down , bounce off the earth , lather , rinse , repeat . So yes , you can converse clear around the planet with a remarkably small equipment investment . It ' s not simple , it takes skill and luck which is why it ' s a hobby . There are awards you can get for various achievements such as contacting a hundred countries .