A hard hat to protect the head is a helmet.
Depends on the type of hat. Some hats protect your eyes and skin from the sun. Some hats protect you from the cold by keeping your head warm.
On a builders head
Wearing a construction hard hat protects you from the heat along with head protection. Even the slightest amount of force can cause an injury to the head, but wearing a hard hat can weaken the impact.
Class C
Yes-It is a reinforced hat to protect the head if there is an accident,fall,etc
That space should be at least one inch and the inner frame of the hard hat should be secure and adjusted accordingly.
protect your head with a riding hat
To protect his head from the sun and perhaps to hide is balding
A hat can protect you from overexposure to the sun (sunburn, skin cancer/malanoma...), from hypothermia in extreme cold. It can protect your eyes from long hair whipping into them. Those with a brim or bill can shield your eyes so that you are not blinded. A hat can keep your head from getting too rained-upon, dripping house paint from really messing up your hair or reduce the injury of bumping your head against something.
his head
A CAP is a brimless head covering with or without a visor. Examples: a Baseball cap has a visor to protect eyes from the sun; a ski cap is a knitted head covering without a visor.A HAT is a head covering, usually with a crown and a brim. Examples: a fedora has a crown with a crease and a brim; a top hat has a flat top crown and a brim.A visor only extends around the front of the hat while a brim completely encircles the hat.
Hard-hats have adjustable bands to make a proper fit on the wearer's head.