| The fundamentally unhygienic conditions of intensive boiler chicken production have been described many times. |
| For example, why should our cities and villages be so unclean and unhygienic? |
| What food is available is frequently contaminated because of pollution and unhygienic conditions. |
| At some schools, parents formed working bees on weekends to clean unhygienic toilet blocks. |
| There are gaps between the new and the old tiles that will be difficult to clean and therefore unhygienic. |
| Poor environmental sanitation and unhygienic personal habits appear to predispose them to the risk of infections. |
