53) You have to replace a fused lamp or a defective fan. In such a case, the safest and first action which you can do is to

stand on a wooden stool or a work horse

collect and use rubber gloves

switch off the single pole switch

switch off the main supply

Answer is:

switch off the main supply

Call to doctor immediately

Pull him away from the live wire holding his hand

Isolate him from the live wire

Shift him to hospital

Answer is:

Apply pressure to the wound

Avoid direct contact with the victim

Apply clean pad and bandage firmly

Put a dressing over the wound

Answer is:

Explanation:

Applying pressure over the injured portion is the first aid to be given to stop the bleeding of the victim.

Holgen-Nelson method

Schafer's method

Mouth to mouth method

Resuscitation under cardiac arrest

Answer is:

removing the fuel off the fire

pouring of water to the fire

isolating supply of oxygen to the fire

lowering the temperature of the fire

Answer is: