List the uses of each of the tools used in gas welding. – NABTEB QUESTION

i. Colored goggle: It is used to protect the eyes from radiation of heat and sparks.

ii. Spark lighter: It is used to light the blow pipe when fuel gas is released.

iii. Wire brush: It is used to clean the metal surface before and after welding.

iv. Hammer: It is used to tap the welded joint or to shape the metal to the required position.

v. Spindle key: It is used to open the spindle of the cylinder in order to release gas to the blow pipe.

vi. Plier: It is used to hold metal before, during or after welding

vii. Screwdriver: It is used to tight or loose hose clip.

viii. Spanner: It is used to lock or unlock nuts on the cylinder.