Half and twin ropes: Half ropes typically have a diameter of about 8 â 9mm, while twin ropes are usually about 7 - 8mm thick. Static ropes: Static ropes have a diameter of 9 â 13mm, and are commonly measured in inches, so you may see the diameter stated as 7/16â, for example.
Overview. Storax trees are fragrant deciduous small trees or large bushes that grow in mild and sheltered areas. The tree is named for the Hebrew word stacte (meaning liquid drop) because of the tree's sap or gum produced from its bark.
Pinus strobus, commonly known as the eastern white pine, white pine, northern white pine, Weymouth pine, and soft pine is a large pine native to eastern North America.he eastern white pine, Pinus strobus, has the distinction of being the tallest tree in eastern North America. In natural pre-colonial stands it is reported to have grown to as tall as 70 m (230 ft).