1640: Gaspar Berti, through an inventive experiment with a lead tube and bucket of water, demonstrates how an air vacuum can be created. 1643: Evangelista Torricelli conducts Berti's experiment ...

However, avoid excessive water or liquid floor ... you should rely on damp wet/dry vac rollers instead of spraying the floors directly. If you let the laminate floor air-dry after cleaning ...

Seal the jar tightly to prevent air from getting in and breaking the vacuum. Place a pot with water and a kitchen towel at the bottom to prevent the jars from breaking. Place the jars inside ...