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.
When you shout with too much force, it is possible to damage the lining of your vocal cords, causing hoarseness. The muscles in your throat tighten, and breathing becomes shallower in reaction to the excessive tension. This results in more effort being exerted to recover your voice, which can make it worse. If the voice isnât given time to recover from stressâif you shout while your voice is still hoarse and your throat is still soreâyou risk damaging the vocal cords still further.