Factors effecting on concrete strength? will use of crushed aggregates instead of gravel - INCREASE or DECREASE...

will use of crushed aggregates instead of gravel - INCREASE or DECREASE strength

will decrease surrounded by water/cement ratio - INCREASE or DECREASE strength
What nature of fixture do I use for...
Answers:    use of crushed aggregates instead of gravel - INCREASE strength

decrease surrounded by water/cement ratio - INCREASE strength

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Room Temperature Thermostat?
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