Screw clamps. Screw clamps are types which use a screw mechanism to adjust the jaws and clamp a workpiece in place. The types which are found in the screw clamp category include G clamps (also known as C clamps), F clamps, edging clamps, wooden hand screw clamps and rack clamps.
Dry drowning usually happens soon after exiting the water, but with secondary drowning, there can be a delay of up to 24 hours before the person shows signs of distress. Both can cause trouble breathing and, in worst-case scenarios, death.
In 2014, among children 1 to 4 years old who died from an unintentional injury, one-third died from drowning. 1,2 Among children ages 1 to 4, most drownings occur in home swimming pools. 2 Drowning is responsible for more deaths among children 1-4 than any other cause except congenital anomalies (birth defects). 1 Among those 1-14, fatal drowning remains the second-leading cause of unintentional injury-related death behind motor vehicle crashes. 1