Computer UPS backup transformer into an welder OR spot welder ??????

I have some transformer from my UPS. i want to make it welder..

watch this videos..

Do not talk about microwave ovens transformers . i don't have microwave transformer.

can we make it ??? 

ja12341 year ago

if you hve three or four in parelle wil work bot short work time

these are too small to make an arc welder but you can make a Spot welder which can spot weld sheet metal of thin gauge

oh that's great ... ok,.how do i getting start, what will i need to make this?..