The liquid level is used in the construction business, as a rule, for check of horizontal position of parts or surfaces. However, it is easy to extend the spirit level, entrusting him and check the verticality. It’s enough to carry its body in the form of a right triangle. Then the Central position of the vial and the capsule, depending on the choice of support surface to confirm either its horizontal or vertical position.IF BROKEN NEEDLE
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.










