Search results
Results from the WOW.Com Content Network
Polyethylene is a good electrical insulator. It offers good electrical treeing resistance; however, it becomes easily electrostatically charged (which can be reduced by additions of graphite, carbon black or antistatic agents).
Download QR code; Print/export ... PVC is chosen because of its good electrical insulation, ... PVC fabric is water-resistant, ...
Honey is a sweet and viscous substance made by several species of bees, the best-known of which are honey bees. [1] [2] Honey is made and stored to nourish bee colonies.Bees produce honey by gathering and then refining the sugary secretions of plants (primarily floral nectar) or the secretions of other insects, like the honeydew of aphids.
The production of silk originated in China in the Neolithic period, although it would eventually reach other places of the world (Yangshao culture, 4th millennium BC). Silk production remained confined to China until the Silk Road opened at some point during the latter part of the 1st millennium BC, though China maintained its virtual monopoly over silk production for another thousand years.