Soldering uses alloys that melt below 840°F to join metals. Molten solder fills the space between surfaces to be joined, adheres to the surfaces, and solidifies. Typical soldering steps include: ...

SAULT STE. MARIE, Ont.—A Northern Ontario solar panel manufacturer is getting a federal government loan to help it boost capacity and cut costs. Heliene Inc., which makes photovoltaic modules at its ...