 Titanium embrittlement from cadmium @-@ plated tool residues resulted in banishment of those tools ( and the implementation of routine tool testing to detect cadmium contamination ) in the A @-@ 12 / SR @-@ 71 , U @-@ 2 , and subsequent aircraft programs that use titanium . 
 Titanium embrittlement from cadmium @-@ plated tool residues<a href='been_done' title='1'><mark></mark></a> resulted in banishment of those tools ( and the implementation of routine tool testing to detect cadmium contamination ) in the A @-@ 12 / SR @-@ 71 , U @-@ 2 , and subsequent aircraft programs <a href='null_relcl' title='2'><mark>that</mark></a>use titanium . 
Titanium embrittlement from cadmium @-@ plated tool residues done resulted in banishment of those tools ( and da implementation of routine tool testing to detect cadmium contamination ) in tdaA @-@ 12 / SR @-@ 71 , U @-@ 2 , and subsequent aircraft programs use titanium .