11. The position of the barrel can affect the speed and degree of evaporation and the need for topping up . 12. The nitrogen in the mixture is almost always provided by topping up the cylinder with air to the filling pressure. 13. In this case, no single second-time buyers can qualify for the topping up , unless they suddenly came into a windfall, 14. Topping up is done on the website, or buying credit at Tesco or at a shop running a PayPoint terminal.15. Blake can reduce fear by giving NPCs adrenaline, topping up their ammo, moving away from particular locations, or successfully defeating enemies. 16. Daily travel charges are settled directly against the customer's debit or credit card account; no " topping up " is required. 17. After purchasing a rechargeable Myki card, passengers need to add value onto the card, in a process called " topping up ". 18. The provision of inline refuelling permits the topping up of the tanks in transit from a separate tank wagon behind the locomotives. 19. North Korea has long been suspected of topping up its anemic economic income by counterfeiting $ 100 bills and engaging in drug smuggling. 20. Freshly reduced cooked must is added to the largest cask and in every subsequent year the drawing and topping up process is repeated.