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(Of gasoline) not containing tetraethyl lead.
lead-free
unleaded
leadless
lead-free
1
You come across an Irish brand that boasts that it is
lead
-
free
.
2
These results indicate the effective solution to the
lead
-
free
piezoelectric materials.
3
This work demonstrates a route to a
lead
-
free
ferroelectric for nonvolatile memories and electro-optic devices.
4
We report the tunable electrical response in functionally graded interfaces in
lead
-
free
ferroelectric thin films.
5
Without the original packaging, you have no way of knowing whether it's
lead
-
free
and suitable for brining.