Sentence examples for kept under rigid from inspiring English sources

He felt that colonizing should be a royal endeavour and that colonies should be kept under rigid control from above.

Though she was to form passionate attachments all her life, she kept them under rigid formal restraint.

Both men were also kept under surveillance.

Such details are still kept under wraps.

"All advice is kept under review.

Cells were kept under normoxia.

He was kept under review.

These animals were kept under sterile conditions.

Mice were kept under aseptic conditions.

The homogenate was kept under −80°C.

The flasks were kept under microaerobic conditions.