The best way to keep the hands free from contamination is to?
use tongs for raw meat
use a sanitizer wipe cloth
wipe hands on apron
cough into tissue paper

The best way is to cough into a tissue paper

Explanation:

the use of tongs for raw meat: this methods aids in reducing contact between the raw meat and your hands but you can't truly eliminate the contact so this is not the best way

use a sanitizer wipe cloth: this is used for cleaning of surfaces used for cutting raw meat and it doesn't keep your hand free from contamination

wipe hands on apron: wipe hands on apron is a very bad idea if can only make the contamination worst

cough into tissue paper: coughing into a tissue paper saves your hand from mucus contamination that comes from your nostrils and mouth when you cough hence this is the best way to keep your hands free from contamination

answer; i believe that the correct answer is (supply chain);

answer; according to the ( irs );