Underground mains marker tape with stainless steel tracer wire Lead free Tape features Reclaimed Water/Recycled Water printed in bold black Used to warn excavators of buried cables, pipes, gas mains and other buried services. Mains marker tapes are highly visible, non-adhesive plastic tapes that are buried underground. They provide an early warning system to excavator operators who can easily see the tape when digging with earthmoving equipment. Made to Australian Standards AS2648-Part 1 1995