This process is used to join plastic parts by applying heat and pressure.

This welding method is used to weld pipes and other cylindrical objects by rotating the object while welding is applied.

This process is used to join metals without the need for filler materials.

Soft soldering is used to join metals by melting a filler material with a low melting point.

Hard soldering is used to join metals by melting a filler material with a low melting point.

This process utilizes the diffusion of atoms in metals to join them.

This method utilizes electromagnetic induction to heat metals and join them.

This process uses a controlled explosion to join metals.

This process uses ultrasonic vibrations to create friction and join metals.

This welding method utilizes a plasma torch to melt the edges of metals and join them together.