I would guess that there is no SIGNIFICANT amount of echo, because they were designed that way on purpose. The way this can be done is by covering walls and floors with materials that absorb most sound.
Cinemas and theaters use absorbent materials in their walls to reduce echoes. The walls are designed to form tiny holes or empty spaces to absorb echoes.
By using carpets curtains etc.
CFC's can be minimized. HCFC's should be used.
You can minimize water pollution by not littering or dumping things into the water
Isabel Hall
so that weighing errors are minimized
SMALL
regal cinema 1932
because they interfere
Inside a cinema hall! Cinema halls/complex get their screens from various suppliers, such as B&H in Los Angeles.
andhra pradesh cinema theatres are around '2700' no's (date February 2007)...all over andhra pradesh...by www.tollywoodgoogle.com
In concert halls the walls are made out of acoustic materials. The materials, as well as the amplifier may result in multiple echoes in a concert hall.
On Historical aspects: Bangldesh Cinema hall (movie theaters) are dying. In 1990-91 the number of cinema halls were around 1230. But in 2010 the number has decreased to 742. Out of 44 cinema halls in Dhaka 33 are surviving. Huge building were erected in their place. Big names like, Gulistan, Shyamoli, Naz, Lion, Star, Shabistan, Tajmahal cinema etc. went into oblivion. There are some 4 or 5 star movie theaters available: Star Cine complex, Balaka, Modhumita. All are in Dhaka. Reasons: No good movies are made in Bangladesh. Availabilty of copies of Films in CDS, DVDS (though illegal copies).
how is the formatio of an emulsion minimized?
The Echoes was created in 1959.
Yes, minimized is past tense because of the suffix ed in the English language.Eg. "I minimized the webpage a week ago, how did it get back?"
Echoes of Refuge was created in 2006.
Echoes of Honor was created in 1998.
Eternal Echoes was created in 2001.