TY - ADVS AU - Sanger,John M. ED - The MARCOM Group, Ltd. TI - Laboratory hoods PY - 1993/// CY - Boothwyn, Pa. PB - The MARCOM Group, Ltd. KW - Laboratories KW - Safety measures KW - Accidents KW - Prevention N1 - Title from title screen; Executive producer, Donald L. Leonard N2 - This program explains on why laboratory hoods are needed, protections afforded by hoods, how hoods function mechanically and the proper use of laboratory hoods ER -