From the beginning, oil for Europe was transported by sea and was usually measured by weight, in tons, as is the practice today.
منذ البداية ،‏ كان النفط يُنقل الى اوروپا بحرا ويُقاس عادة بالوزن ،‏ بالطن ،‏ كما هي العادة اليوم .‏