Owls can make all kinds of noises, from the stereotypical hoot to hair-raising screams. This website has a page devoted to calls and sounds of owls around the world. Xeno-canto, a site for birdcalls in general, also has a large amount of owl noises for you to listen to. Poke around on these for a little while and you'll have a better idea of what sounds owls can make. My personal favorites owl noises are:
What is TSE? The TSE program provides entry-level workers for your business that you do not have to pay wages for, at 30-40 hours per week for three months. You interview and choose eligible workers referred from the Department of Public Social Services Greater Avenues for Independence (DPSS GAIN) program.
SAE International, formerly known as Society of Automotive Engineers (SAE). The SAE International is a globally active professional association & standards organization for engineering professional in various industries.