crwdns2933423:0crwdne2933423:0

crwdns2933803:03crwdne2933803:0

crwdns2933797:0Cristian Rodriguezcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Cristian Rodriguez

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0

crwdns2933807:0crwdne2933807:0

-[* black] The fourth step requires to prepare the solution.
+[* black] Step 4: prepare the solution.
[* black] Place the cleaning solution of 100 mL in a cup of hot boiling water, with the cap off to avoid air pressure that can damage the solution.