tunnel equipment laundry wikipedia

  • Laundry - Wikipedia

    Laundry was first done in watercourses, letting the water carry away the materials which could cause stains and smells. Laundry is still done this way in the rural regions of poor countries.

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  • How lawn mower is made - manufacture, used, parts, components ...

    The lawn mower is a mechanical device that literally shaves the surface of the grass by using a rapidly rotating blade or blades. For centuries, grass was cut by workers who walked through pastures or fields wielding small, sharp scythes. In addition to being tiring and slow, manual cutting was ...

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  • Laundry detergent - Wikipedia

    Laundry detergent, or washing powder, is a type of detergent (cleaning agent) that is added for cleaning laundry, commonly mixtures of chemical compounds including alkylbenzenesulfonates, which are similar to soap but are less affected by hard water.

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