Projectors are arranged on, in, or about the structure to project {TAIL ~ light} toward {HEAD ~ the object} 
Projectors are arranged on , in , or about the structure to project { TAIL ~ light } toward { HEAD ~ the object }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD