Special Press and Soldering: Without holding the note up to the light, the watermark can still be read because of higher differences in paper thickness.

Prototype This: Deadly Soldering (01:14)

Kent White, "Authentic Aluminum Gas Welding: Plus Brazing & Soldering."

SOLDERING is a method of using heat to join pieces of metal, especially sheet metal, plumbing and electrical wiring.

SPAS: Special Press and Soldering: SPAS is a kind of watermark, produced using the maximized thickness variations in the note paper.

SOLDERING has been used for centuries to join metals and is still one of the simplest and most widely used methods for securing metal joints and seams.

The solder coming up, we decided we'd go down to what size it should be.

"Using the wrong solder can change the color," he said.

Hold the solder in your free hand away from the flame.

The very white areas in the cracks are lead solder.

In four months, 19 American solders have been killed and more than 100 wounded.

"Maybe we could use the tip to turn the solder on and off."

The problem of lead from solder is worst in homes less than five years old.

Half an hour's hard work with the tools and solder had done that.

The same was true of the solder used on the seams.

Then I pulled the roller door down and the old guy got to work with the solder.

The main difference between the two is the melting point of the solder.

Another type of solder is used to connect glass to other things.

There are many types of solders, each used for different applications.

Blade found he was able to slowly close up on the solders with no risk of being seen.

I even have to melt and draw my own solder.

However, the suggestion on silver solder is a bit off base.

The solder is usually referred to as easy, medium, or hard.

Pick up the roll of solder in your skilled hand.

Lead can also get into water from the solder in copper pipes.

The dent, like the solder, could have been applied today.

The Pentagon has not identified the solders or their units.

Draw the solder away from the joint and apply more heat.

After several years of trial and error, she had settled on the solder.

"The plating comes off, and you have to use special solders."

"Your father died not long after the solders came."

"The piece has to be 100 percent clean before you can solder it."

The first time she lost her head, it was recovered and soldered back on.

Yes, that was how he would draw them: soldered together by a mother's love.

For larger areas, patches can be cut and soldered into place.

One way to deal with that is to solder the dovetail in place.

Anchors can be either soldered onto the board, or pushed through.

In the meantime a lot of wiring could get soldered into place.

Will reached inside and pulled out the component he had soldered together only yesterday.

He reached Cheyenne, however, where a broken oil line was found and soldered together.

The plug will block the water long enough for the pipes to be soldered.

You have to solder them, though, onto the board.

Components are pushed through from the side without strips and soldered in place.

Although two separate awards, in some cases the holders soldered them together.

Connections can either be soldered, or made using terminal blocks.

This had now been soldered to the main building so well that you couldn't see the join.

When it is running properly, the machine will solder 5,000 buttons an hour.

Start by shutting off any water flowing to the pipe being soldered.

The joints where the came meet are soldered to bind the sections.

Cables were often soldered in place at one end.

The solid state drive is not soldered and can be replaced with a larger unit.

The captain wrestled with a hot board that seemed to have soldered itself in place.

"The power plug was broken and she soldered it back together," he recalled.

The remainder of the components may now be soldered into place in any convenient order.

Soldering those joints was of course out of the question.

The pair of cables were there, as she expected, soldered tightly into place.