, standard abbreviation for the name of the botanist Nils Hylander
From 1979 to 1983 Bustani worked in research and development for HYL then a subsidiary of HYLSA (now TENOVA HYL of Techint Group), a steel company based in Monterrey, Nuevo León, Mexico in the area of direct reduction of iron ores.
Helsingin yhteislyseo (HYL) is a school in Kontula, Helsinki Finland consisting of a lower secondary school and an upper secondary school with over 50 teachers and 700 students in total.