Thread 'How to find route if we only know velocity (without having common formulation)?' Howdy! I invented the problem and I try to resolve it: Let we only know velocity of transferring particle: ##v(t)## from ##t=a## to ##t=b##. To Restrict the activity or impact of by or as though by https://gabletoppak.com/how-gable-top-pak-and-paper-bottles-lead-in-sustainable-beverage-packaging/