a jack is a mechanical lifting device used to apply great forces or lift heavy loads. a mechanical jack employs a screw thread for lifting heavy equipment. a hydraulic jack uses hydraulic power. the most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be performed.
hollow newels are known more accurately as box newel posts. in historic homes, folklore holds that the house plans were placed in the newel upon completion of the house before the newel was capped. the most common means of fixing a newel post to the floor is to use a newel post fastener, which secures a newel post to a timber joist through .
a solid ground floor consists of a layer of concrete, which in the case of a domestic building will be the surface layer brought up to ground floor level with hardcore filling under it. the advantage of a solid ground floor is the elimination of dry rot and other problems normally associated with hollow joisted floors. the disadvantage is that the floor is less resilient to walk upon and may be more tiring for the user. solid ground floors are usually found or situated in a kitchen but will be n
kegel exercise, also known as pelvic-floor exercise, involves repeatedly contracting and relaxing the muscles that form part of the pelvic floor, now sometimes colloquially referred to as the 'kegel muscles'.the exercise can be performed multiple quantify times each day, for several minutes at a time, but take one to three months to begin to have an effect.
detail of floating floor over joists. a floating floor is a floor that does not need to be nailed or glued to the subfloor. the term floating floor refers to the installation method, but is often used synonymously with laminate flooring but is applied now to other coverings such as floating tile systems and vinyl flooring in a domestic context.
floor soundproofing leaving a gap between the joist and subfloor plywood is the most efficient way to install soundproof flooring. neoprene joist tape or u-shaped rubber spacers help decouple the subfloor from the joist. an additional layer of plywood can be installed with a viscoelastic compound. mass loaded vinyl, in combination with open-cell rubber or a closed-cell foam floor underlayment .
fireproofing is rendering something structures, materials, etc. resistant to fire, or incombustible; or material for use in making anything fire-proof. it is a passive fire protection measure. 'fireproof' or 'fireproofing' can be used as a noun, verb or adjective; it may be hyphenated 'fire-proof' . applying a certification listed fireproofing system to certain structures allows them to .
lay on the table; previous question; limit or extend debate; postpone to a definite time; refer to a committee; amend the main motion; postpone indefinitely; privileged motions descending order of precedence ronr. fix the time to which to adjourn; adjourn; recess; raise a question of privilege; call for the orders of the day; tsc. adjourn; recess
it is used for structures which would otherwise not be possible, such as the separate legs of the troll a deep sea oil drilling platform which stands on the sea floor in water about 300 m 980 ft deep, has an overall height of 472 m 1,549 ft weighs 595,000 t 93,700,000 st , and has the distinction of being the tallest structure ever moved .
tumbling, sometimes referred to as power tumbling, is a gymnastics discipline in which participants perform a series of acrobatic skills down a 25 metres 82 ft long sprung track. each series, known as a pass, comprises eight elements in which the athlete jumps, twists and flips placing only their hands and feet on the track.
side pressure arch construction, the first method used in tile floor arches, is composed of hollow tiles laid parallel to i beams. end pressure arch construction. end pressure arch construction is composed of hollow tiles laid perpendicular to i beams.
on the 102nd floor of the empire state building formerly the 101st floor , there is a door with stairs ascending to the 103rd floor formerly the 102nd . this was built as a disembarkation floor for airships tethered to the building's spire, and has a circular balcony outside. it is now an access point to reach the spire for maintenance. the .
there is a likelihood that underfloor heating may add to offgassing and sick building syndrome in an environment, particularly when carpet is used as a flooring. citation needed electric underfloor heating systems cause low frequency magnetic fields in the 50–60 hz range , old 1-wire systems much more so than modern 2-wire systems.
the techniques of jiggering and jolleying can be seen as extensions of the potter's wheel: in jiggering, a shaped tool is slowly brought down onto the plastic clay body that has been placed on top of the rotating plaster mould. the jigger tool shapes one face, the mould the other.