Slice the sewage words

Exercise and reference answers

Does not match the category

1. Ledger
2. Sonnet
3. Fresco
4. Piston

Matches the category

1. Sewage
2. Sludge
3. Sewerage
4. Biogas
5. Manhole

Instructions

Slice only the words from the wastewater story. Spare the others.

Explanation