The second dimension of Hydrodemolition Robot segmentation is application, which partitions demand across bridge repair, tunnel rehabilitation, dam maintenance, and structural refurbishment. Bridge repair projects, requiring precise removal of deteriorated concrete without affecting reinforcement, generate the largest revenue share (approximately 35 %) because of the extensive global bridge inventory and frequent life‑extension programs. Tunnel rehabilitation, driven by aging subway and utility tunnels, accounts for 30 % of sales; the confined environment amplifies the value of robotic precision and water‑based dust suppression. Dam maintenance, though less frequent, involves high‑risk concrete removal where hydrodemolition’s non‑impact nature is critical, contributing 20 % of market volume. Structural refurbishment of industrial facilities and heritage buildings represents the remaining 15 %, where selective surface preparation and reduced vibration are prioritized. These application segments collectively shape the market’s growth trajectory, as each sector’s capital allocation and project pipeline directly influence overall sales volume and service revenue.