Commercial cleaning is a broad term predominantly used by cleaning companies who earn an income by being contracted by individuals, businesses, or corporations to carry out cleaning jobs in a variety of premises. Cleaning companies can be found in virtually every town and city in the world, with a higher concentration in affluent regions. Typically these companies market their services via a professional sales force, advertising, word of mouth, or websites.

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Aluminum Foil Test – Foil Perforation Mechanism

Until recently, I was only able to theorize about the mechanism involved in the perforation of aluminum foil by ultrasonic cavitation.  I no longer have to theorize! My theory had always been that perforation of aluminum foil was due to the repeated flexing of aluminum foil as cavitation implosions occurring on opposite sides of the foil …

The post Aluminum Foil Test – Foil Perforation Mechanism appeared first on CTG Technical Blog.


Until recently, I was only able to theorize about the mechanism involved in the perforation of aluminum foil by ultrasonic cavitation.  I no longer have to theorize! My theory had always been that perforation of aluminum foil was due to the repeated flexing of aluminum foil as cavitation implosions occurring on opposite sides of the foil …

The post Aluminum Foil Test – Foil Perforation Mechanism appeared first on CTG Technical Blog.


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