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Radon

Radon

Radon is a radioactive gas formed in the decay of uranium that is a serious air pollutant. Radon typically enters a building through cracks in the foundation. Read more.

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Ramie fibre

Ramie fibre

The perennial stalk producing ramie plant has been cultivated in eastern Asia for fibre since prehistoric times. Growing 3-8 feet high, with heart-shaped leaves, the plant’s fibre was used in fabric in ancient Egypt and was known in Europe during the middle Ages. Read more..

Rapier Looms

Rapier Looms

The rapier type conveys a pick of weft from a stationary package through the shed by means of either a single rapier or a pair of rapiers. Rapiers are either rigid rods or flexible steel tapes, which are straight when in the shed but on withdrawal are wound onto a wheel, in order to save floor space. Read more..

Raw denim (dry)

Raw denim (dry)

Dry or raw denim, contrary to washed denim, is a denim fabric that is not washed after being dyed during its production. Over time, denim will extensively fade, which is often considered desirable. Read more..