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).
Date on which soil temperature averages 60Â° F. z Figure 6. Date on which soil temperature averages 65Â° F. z Figure 7. Date on which soil temperature averages 70Â° F. For a seed to germinate it must have good contact with the soil and be placed in a favorable soil environment.he dates on which soil temperatures average 40Â°F, 45Â°F, 50Â°F, 55Â°F 60Â°F, 65Â°F, and 70Â°F throughout. the state (Figures 1-7) were determined using 10 years of data (1987-1996) from 22 weather stations in the High Plains Climate Center's Automated Weather Data Network.