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 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | scum | スカム | |||
| 2 | floating scum-board | 浮きスカム板 | |||
| 3 | layer of scum | スカム層 | |||
| 4 | scum baffle | スカム止め | |||
| 5 | scum board | スカム止め | |||
| 6 | scum drain pipe | スカムスキマ管 | |||
| 7 | scum skimmer | スカム除去装置 | |||
| 8 | scum skimming | スカムの収集 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | scum | スカム | |||
| 2 | floating scum-board | 浮きスカム板 | |||
| 3 | layer of scum | スカム層 | |||
| 4 | scum baffle | スカム止め | |||
| 5 | scum board | スカム止め | |||
| 6 | scum drain pipe | スカムスキマ管 | |||
| 7 | scum skimmer | スカム除去装置 | |||
| 8 | scum skimming | スカムの収集 | |||
 
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