 Floppy disks in 8-inch, 5¼-inch, and 3½-inch formats enjoyed many years as a popular and ubiquitous form of data storage and exchange, from the mid-1970s to the late 1990s.1971 String trimmer

A string trimmer is a powered handheld device that uses a flexible monofilament line instead of a blade for cutting grass and trimming other plants near objects.It consists of a cutting head at the end of a long shaft with a handle or handles and sometimes a shoulder strap.