He found the stock's spot weld with his cheek and lined up his own shot.

These problems were blamed on poor spot welds made during the manufacture of the bus.

It is used extensively in the automotive industry-ordinary cars can have several thousand spot welds made by industrial robots.

"Another hour and we'll have finished the last spot weld."

A spot weld, as it was called, put his eye directly behind the aperture of the iron sight.

This compares with about 700 pounds per square inch for spot welds.

The strength of spot welds is indifferent to temperature in any range that would be encountered in automotive use.

They also vastly increased the number and quality of spot welds, performed and checked by Toyota-built robots.

When the current is stopped the copper tips cool the spot weld, causing the metal to solidify under pressure.

It is used extensively in the automotive industry- cars can have several thousand spot welds.