Contractors swear by these rust-removal tricks for saving old tools.

Rusty tools are a worker's worst nightmare as if left unattended, oxidisation can penetrate and damage below the surface. Ultimately, this can cause pricey repairs or even warrant replacements.

Imagine leaving your shiny metal bicycle outside in the rain. As water pools on its surfaces, oxygen from the air lingers nearby, and together they begin to quietly attack the metal. The iron in the ...