HVAC Universal Certification. One of the main prerequisites for becoming an HVAC technician is to be able to do the work safely. Heating and cooling systems use potentially dangerous chemicals, flammable substances, and heat.All of these could potentially be dangerous if handled or installed improperly.ne of the main prerequisites for becoming an HVAC technician is to be able to do the work safely. Heating and cooling systems use potentially dangerous chemicals, flammable substances, and heat. All of these could potentially be dangerous if handled or installed improperly.
Out of all the songs he has written for Beauty and the Beast, Menken devoted the most time to the title song. The track was first recorded by British-American actress Angela Lansbury, who voices the character Mrs. Potts, an enchanted teapot.
Beauty and the Beast was written by lyricist Howard Ashman and composer Alan Menken in 1990. The songwriters had envisioned the song as the height of simplicity, and specifically drew influence from Broadway music.