A given batch of dilution water should not be used for more than 14 days following preparation because of the possible build-up of bacterial, fungal, or algal slime growth and the problems associated with it.
After 14 days there is a risk of infection in the batch of dilution water.
The batches of dilution water have an infinite shelf life.
the players are exercising
No two are alike.
The cement factory smoke is a welcoming addition to the valley.
Four men are talking while observing papers.
Everyone is reading.
From the lighthouse you can see 5 miles even in the best conditions.