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Month: September 2022

What is alto tenor and bass?

What is alto tenor and bass? Voices are classified according to range, gender and somewhat according to quality. From high to low, the basic classifications are: Soprano, Alto, Tenor and Bass. Soprano and alto designate respectively high and low female Read more…

What is used in fog machines?

What is used in fog machines? Fog fluids have two primary ingredients – an active one and deionized water. The active ingredient can be propylene glycol, triethylene glycol, glycerin or a mixture of these. The vaporization temperature varies for these Read more…