Glossary


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H

Halyard

A halyard is a special rope installed on an extension ladder that allows the user to extend the fly section from the ground easily



Hammer drill

A hammer drill is a special drill that delivers a rapid succession of forward blows while turning the bit simultaneously. Used for drilling masonry, tile, or stone



Hand pressed

Hand-pressed is a masking process where the tape is sealed with hand pressure only – not best practice



Hand sanding

Hand sanding is a manual sanding process using only sandpaper or sanding blocks or sponges. This is a slower method good for small details or intricate shapes and surfaces



Handle

The handle is the hammer component connecting the grip to hammer head.



HazCom

HazCom is an abbreviation for Hazard Communication Standard which is a communication system that produces standards for labeling chemicals and SDS sheets with hazard information



Head

The head of a hammer is the entire metal component made up of the hammer face, neck, cheek and claw.



Header

A header is an overhead beam used to carry and distribute weight above and around a rough opening



HEPA

HEPA or High Efficiency Particulate Air or HEPA is a designation used to describe filters that are able to trap 99.97 percent of particles that are 0.3 microns


High header

A high header is placed in full contact with the underside of the top plate and no top cripples. This configuration often requires additional non-structural framing below to define the top edge of the rough opening.




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