A
physical barrier refers to any tangible object or structure that prevents or blocks movement from one place to another. It can include things like walls, fences, gates, or even natural features like mountains or rivers. The main purpose of a
physical barrier is to restrict or control access to a certain area, keeping people or things separated or protected.
Full definition
She said she will advocate for closer monitoring and the creation
of physical barriers to mitigate the water's impact in the future.
But when we encounter actual
physical barriers in our movements, as in the case of arthritis, exercising to keep fit and lose weight can become much harder.
For most of human history, migration has been constrained
by physical barriers and transport difficulties rather than government action.
You can
use physical barriers such as baby gates to keep your animals away from the tree when you are not home.
In the ocean, however, actively swimming animals like, say, large sharks have
few physical barriers and may instead be restricted by their own environmental preferences.
Identifying the factors that determine these patterns — the distances separating populations,
physical barriers preventing the movement of animals, hunting behavior, and interactions with prey species — is the fun part.
Some fruits and vegetables contain plant cellulose and fiber, which act
as physical barriers in slowing digestion.
The presentation explores topics ranging from the fact that many Indigenous geographies are outcomes of racialized constructions about Indigenous peoples, that now
form physical barriers to accessing health, through to ideas that imbedded stereotypes about Indigenous people continue to «colour» ways health care professionals interact with Indigenous peoples, as patients, community members, or families and advocates.
Made especially for active people who wear balms, sunscreens, and other
physical barriers on the skin, this face wash infused with shea and cocoa butters, cocoa pod ash, and rose and geranium essential oils thoroughly cleanses the skin without stripping it of its natural oils.
Lymphocytes (white blood cells) search for invaders that pass
through physical barriers such as our skin creating a multi-barrier system.
Painted lines or construction barrels are
not physical barriers and both sides of the roadway will have to stop for any school bus with active red lights that is dropping off children.
These concepts, which explain how speciation could take place
without physical barriers in the outside world, make you a maverick in the field.
A person with a disability where environmental or
physical barriers limit their ability to consistently use conventional transportation (conditional eligibility)
Like other similar systems, Huawei's Q2 solves those problems by implementing a «mesh Wi - Fi with a unique G.hn gigabit PLC (power - line communication) module, which can easily traverse walls and
break physical barriers.»
Like other habitat specialists, Sungazers appear to be restricted to this area not only because of
physical barriers such as large rivers and mountains, but also because of the unique climactic niche in this region.
To improve safety, he said, pedestrians and cyclists need
physical barriers like protected bike lanes — an idea gaining popularity around the U.S. but also causing fights in some places over reduced parking or travel lanes.
Since these
offer physical barriers, it is also more difficult to accurately pinpoint the SPF of some mineral sunscreens.
This means that you may need to use baby gates or
other physical barriers to make sure she stays in the same room with you; or, you can tether her to your waist with a leash if needed.
«As the government of Mexico has always maintained, our country will not pay for, under any circumstances... a wall or
physical barrier built on US territory along the Mexican border.»
Even though basement membranes
represent physical barriers that delimit different tissues, they are breached in many physiological or pathological processes, including development, the immune response, and tumor invasion.
However, due to
physical barriers only a fraction of potential applicants can be offered places in traditional learning and teaching environment; thereby creating an under - class of learners without access to suitable teaching and training.
Since 9 - 11, multi-tenant buildings have moved to various levels of access control, ranging from card keys to
physical barrier turnstiles to optical turnstiles.
To ensure the fish don't escape, they must be contained using
multiple physical barriers, including plumbing that filters out eggs and fish.
The White House has occasionally used «wall» to describe existing border fencing, and has acknowledged that some (perhaps a lot) of the US / Mexico border doesn't need a
total physical barrier.
Obviously it is so important not to get sunburned, however, since it is hard to know exactly how the chemical sunscreens affect developing bodies, my dermatologist suggests using physical sunblock (i.e. particles of zinc oxide or titanium dioxide that are suspended in the cream, and lay on top of your skin to form a
literal physical barrier) for nursing moms and kids through adolescence.
The transit union wants the city and MTA to
install physical barriers to keep private vehicles out of bus lanes — and Big Apple officials and the new head of New York City Transit are willing look into it.
These solutions aren't enough: It's impractical to put up
physical barriers everywhere, and all but impossible to prevent would - be attackers from getting a vehicle.
Last month the U.S. Army Corps of Engineers released an extensive report proposing technology - based solutions that could be installed at the Brandon Road Lock and Dam on the Des Plaines River in Joliet, Ill. — one of the
last physical barriers between the Mississippi River and Lake Michigan.
This envelope, comprised of both an outer and inner membrane, which have significantly different properties, provides Gram negative bacteria with an
excellent physical barrier to antibacterial agents.