oramp deyuk
Cement is too heavy.
Yes they can last longer than wooden bridges. :)
type 1
Yes, first-generation braces typically use dental cement to bond the brackets to the teeth. This cement helps secure the brackets in place, allowing for effective tooth movement when the archwire is attached. The cement is designed to provide a strong hold while also being removable when the treatment is complete.
because salt water breaks down cement
Cement was first used in the UK in the early 19th century, with the development of Portland cement in the 1820s. Joseph Aspdin, a bricklayer from Leeds, patented Portland cement in 1824, which became the standard for modern cement. Its use rapidly increased in construction, significantly influencing building practices during the Industrial Revolution.
The roman empire
To effectively use rubber cement on wood for crafting, first ensure the wood surface is clean and dry. Apply a thin, even layer of rubber cement to both surfaces you want to bond. Press the surfaces together firmly and allow the cement to dry completely. Be cautious not to use too much cement, as it may cause the wood to warp.
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suspension bridges
CEM cement, often referred to as Ordinary Portland Cement (OPC), is primarily used as a key ingredient in construction materials like concrete and mortar. It serves as a binding agent, providing strength and durability to structures such as buildings, bridges, and roads. CEM cement is valued for its versatility, allowing it to be used in various environmental conditions and applications. Additionally, it plays a crucial role in the overall performance and longevity of construction projects.
Cement was used by the Romans to build the colosseum. The Romans invented cement and the material they invented was also water proof which allowed for bridges and fountains to be built.