Presenting a easy way for Rust and spot remover making Business. This is very easy, every body can make it just around 24 hours. br br Requirement ingredients for makingbr br 1. Potassium Oxalate. 2.5 KG.br 2. Methyl cellulose. 2.5 KG.br 3. Water. 20 KG.br Making Process:br A. Take a drum.br B. Mix all ingredients with follow our formulation.br C. Wait for 24 hours. br D. Six times Stair with a stick within 24 hours.br E. When mix ingredients turning gel.br F. Then this is ready for use.