In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

[Q]: In the 1990s and 2000s , clonewheel organs began using sampling or digital techniques .
[A]: In the 1990s and 2000s , clonewheel organs began using digitally-sampled real Hammond sounds or digital signal processing emulation techniques , which were much better able to capture the nuances of the vintage Hammond sound .


[Q]: Many grevilleas interbreed freely , and some specially picked hybrids have been grown for sale .
[A]: Many grevilleas have a propensity to interbreed freely , and extensive hybridisation and selection of horticulturally desirable attributes has led to the commercial release of many named cultivars .


[Q]: When this is the case , traction is often expressed as the ratio of the maximum tractive force to the normal force and is termed the " coefficient of traction " ( similar to coefficient of friction ) .
[A]:
Traction can also refer to the " maximum " tractive force between a body and a surface , as limited by available friction ; when this is the case , traction is often expressed as the ratio of the maximum tractive force to the normal force and is termed the " coefficient of traction " ( similar to coefficient of friction ) .