Sentence examples similar to had been cleaned previously from inspiring English sources
They have been cleaned out.
Spray areas that have not been cleaned previously with an enzymatic cleaner.
"But he has been clean...
The tank had been previously cleaned and workers were preparing to install new equipment when the blast occurred, said Rick Rainey, spokesman for the facility's owner, Teppco Partners, a Houston energy company.
The serum PBDE vials had been previously cleaned in a laboratory dish washer and baked at 300°C overnight and the screw caps had been rinsed with methanol [ 17].
Glass slides, which had been previously cleaned with Piranha solution (70 vol % sulphuric acid, 30 vol % hydrogen peroxide), were used as substrates and were placed upright in a Petri dish.
The fire was a bittersweet moment for Ms. Eidelheit, who was able to see "The Last Supper" up close for the first time; it had long hung on the wall and had previously been cleaned while hanging there.
For 66 isolation rooms that had not been cleaned by housekeeping (59 rooms that previously housed MRSA carriers and 7 that housed patients with C. difficile infection), 28 of 261 (10.7%) surfaces were positive for MRSA before disinfection at 22,000 μWs/cm, and only 2 of these sites (0.8%) remained positive after Tru-D disinfection (P < 0.001).
The deposition substrates have been previously cleaned in acetone, alcohol ethylic and deionised water.
Make sure all equipment has been previously cleaned, rinsed with deionized water, and allowed to dry.
