I need some help for tomorrow!?

so i help out at the stable i ride at BUT theres a big problem, one of the jobs is to tack up the ponies and i only know one ponies bridal and saddle and another ponies bridal. i know you cant tell me which is which unless u got to seaview riding school!:P. what should i do?? alot of the time the people that work there are doing something and i dont want to put the wrong tack on. AND another question. i was helping out at the stable on sunday and i was the oldest there. but this 10 year old kid was telling me what to do and when to do it. i didnt tack up and of the ponies coz she sed not to and it doesnt help that im not to good at talking to people face to face. and the younger kids are really harsh with the ponies, they smack them on the nose for no reason thoughtapparently 'they are being bad' no wonder the horse hates taking the bit if all you do is smack it on the nose when it was taking the bitt!!:@ whjat should i say to them if they do it again coz star is a really cheeky but nice pony that is being messed around with. and he's small so he cant pick up bad habbits coz kids ride him. sorry its so long and like a rant!