brett said if a new federal government decided to withdraw the workforce supplement funding after the first year dpg had agreed to fund a 3 % increase in the second and third years of the agreement
Pure helium is a medium that allows sound to pass through it more quickly than air, so it makes your voice sound higher pitched (the mechanics are similar to speeding up a video and hearing the sound pitch up). Some gases will do the opposite; most commonly, sulfur hexaflouride, which slows down sound waves.
Below is a list of commonly reported voice changes as we age: Higher pitch voice in men. Lower pitch voice in women. Reduced volume and projection of the voice (or thin voice) Reduced vocal endurance. Difficulty being heard in noisy situations.