Sentence examples for were used as control from inspiring English sources

is used as control

were served as control

were used as currency

were used as sample

were used as make-shift

were kept as control

were used as dispersant

were included as control

were treated as control

were used as child

were designated as control

were considered as control

were used as corner

were used as input

were taken as control

were injected as control

were functioned as control

were regarded as control

were used as loading

were used as reference

were set as control