Original: In July 2017  the council worked with Sheffield University to carry out independent tests on cladding in 20 council tower blocks in Sheffield.
Simplified: In July 2017 the council worked with sheffield Unniversity to carry out independent tests on the outside wall of 20 council tower blocks in Sheffield.
Simplified: In July 2017  the council worked with Sheffield University to carry out independent tests on cladding in 20 council tower blocks in Sheffield.
Simplified: In July 2017  the council worked with Sheffield University to execute independent tests on coating in 20 council tower blocks in Sheffield.