Its onset may be gradual or sudden. There are two main approaches to weaning foals, abrupt and gradual weaning. Onset can be gradual or sudden. After 1945, the country underwent a process of gradual but steady secularization. The transition into the Middle Ages was a gradual and localised process. The transition itself should be gradual and flexible. Onset is gradual over weeks to months. Language construction would have occurred through a slow and gradual process. Symptoms are typically gradual in onset and improve with bending forwards. As a political movement, it aims to achieve socialism through gradual and democratic means. Adaptation occurs through the gradual modification of existing structures. This resulted in a gradual loss of sight. Respect went into gradual decline after 2008. Sometimes large rivers run through canyons as the result of gradual geological uplift. He was of the opinion that rigidity tends to check progressive legislation or gradual innovation.