Keep the fioor dry,then you won't slip and fall.
= Keep the fioor dry,or you will slip and fall.
= If you don't keep the fioor dry,(then) you will slip and fall.
Keep the fioor dry,then you won't slip and fall.
= Keep the fioor dry,or you will slip and fall.
= If you don't keep the fioor dry,(then) you will slip and fall.