All correct, also :There seems to be a lot of confusion on this thread with regard to American terms used .
Here is a helpful guide.
English 'chips' = American 'fries'
American 'chips' = English 'Crisps'
American 'Mullers' = choke tubes
English 'Mullers' = Fruit Yoghurt
" Have a nice day, mind the step , hold the rail."
American dust = English no visible break
American soot = English decent break