Use proximate date payment terms when you want the transaction due date to be on the same date of the month regardless of the invoice date. You specify the number of months to add to the invoice date and the date in that month on which the transaction is due.se net payment terms to specify the due date of the transaction by adding some number of days to the invoice date of the transaction. Assume that you specify net 30 days to pay and you enter a transaction with an invoice date of June 14. The system calculates the due date as July 14.
Tank. Tanks were used for the first time in the First World War at the Battle of the Somme. They were developed to cope with the conditions on the Western Front. The first tank was called 'Little Willie' and needed a crew of 3.
1 Machine gun-The machine gun was improved during the war. 2  It was made much lighter and easier to move around. 3  Flame throwers-Flame throwers were used by the German Army on the western front in order to force the enemy out of their trenches. 4  Chemical weapons-World War I also introduced chemical weapons to warfare.anks were first introduced in World War I. These armored vehicles were used to cross No Man's Land between the trenches. They had mounted machine guns and cannon. The first tanks were unreliable and hard to steer, however, they became more effective by the end of the war.