For pumping nipple balls often use Bicycle pump with a special needle. But it does not matter if it broke or its just not there at hand: with this work well covered by a normal Bicycle nipple off a rubber tube mounted with its threaded shank in the hole of the pump.
Recommend to read
ELECTRONIC MANOMETER
On the instructions of the enterprises of Dzerzhinsk-khimpromenergo in the design office of the school # 2 of Dzerzhinsk, Gorky region, the guys have designed and built a device for...
RECORDS OF SMALL MISSILES
Harvest on record was for the Soviet rocketmodeler 1987. The strongest competition to our sportsmen managed to make a number of amendments to the lists of the highest international...