51.   The city is drafting regulations to reduce the noise from yangko, a folk dance popular among the elderly, the official China Daily reported Wednesday.

52.   The goal is to develop improved pavement surfaces that will increase traction, improve smoothness and reduce noise.

53.   The station features elevators to assist disabled passengers to the concourse and platform screen doors to reduce noise and retain conditioned air.

54.   The stones reduce train noise, but officials fear they could also become weapons in the hands of hooligans.

55.   To reduce noise, buskers also cannot use drums and amplifier power is strictly limited.

56.   Existing VCR players require between four and eight transformers, the company said, adding the new chip also reduced related noise by about a third.