These include&colon; compressors, brad nailers, air ratchets, die grinders, paint sprayers, etc. Airport runways are also deiced by sprayers fitted with long spraying arms. Water sprayers on the ceiling spray riders seated on the front row. Spray runs were also conducted from trucks, boats, and backpack sprayers. It became known for the manufacture of tractors, agricultural implements, sprayers and shoes. Compressed air is the customary power source for nailers and paint sprayers. The herbicides used damage the land and the health of the sprayers applying the herbicide. Fire-safety equipment includes infrared sensors, fire extinguishers, foam sprayers, and pushbutton alarms. Many people have experienced throttleable pintle sprayers in the form of standard garden hose-end sprayers. Jacobs R-755 engines for use as crop sprayers. These are agricultural sprayers that generally drop about of water or retardant. These boilers were coal-burning with auxiliary oil sprayers. The engine was originally designed to power orchard sprayers. These boilers were coal-burning with auxiliary oil sprayers and were designed to produce . Towed, handheld, and even horse-drawn sprayers are also used.