#en2wiki

The backlinks below usually do not include the child and sibling items, nor the pages in the breadcrumbs.

hashtags for goods, services and harms

• Sand and gravel

The parent item of Sand and gravel is Material, which has child items:

• Aluminium
• Carbon
• Fertiliser
• Fossil fuels
• Hazardous chemicals
• Heavy Metals
• Nutrients
• Paper
• Pesticides
• Sand and gravel
• Solvent
• Steel
• Timber
• Water

The (ontological) order of Sand and gravel is the Natural Order.
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Alongside the breadcrumbs for this item which shows its "ancestry" in concept space, the Child items tab lists its descendants, and the Siblings items tab the concepts that exist under the item's "parent item". The backlinks tab lists the pages that reference this page. The menu provides an overview of the items included in the tree orders: the Natural, Social and Techno. The menu also includes a table with ISO country codes which could be used to construct localized #tagcoding hashtags in the case a page defines a #tagcoding hashtag.