A: Vocal problems, like polyps, are not restricted to singers. While singers require peak performance of their voice, other voice professionals, such as teachers, lawyers, clergy, salespeople and receptionists, are also at higher risk for many vocal cord problems.
The permissible operating temperature range of nitrile rubber is â40 to +100 Â°C (â40 to +210 Â°F). For brief periods, temperatures of up to 120 Â°C (250 Â°F) can be tolerated. SKF also offers a special nitrile rubber compound with a temperature range between â55 and +110 Â°C (â65 and +230 Â°F).
Annual temperatures in the rain forest average between 20 o - 30 o C (68 o - 86 o F). Annual temperature range rarely exceeds 3 o to 4 o F. In fact, the daily range of temperature is often larger (10 o - 12 o F) than the annual range in temperature.nnual temperatures in the rain forest average between 20 o - 30 o C (68 o - 86 o F). Annual temperature range rarely exceeds 3 o to 4 o F. In fact, the daily range of temperature is often larger (10 o - 12 o F) than the annual range in temperature.