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With the increase in popularity of LED lighting, many people are confused when it comes to choosing an LED lamp.
First we should understand that the quality and price of lamps are determined by four components: LED chip, LED driver, Heat Sink and Printed Circuit Board (PCB).
1. LED Chip
One of the two most important components of an LED lamp, chips come in a wide range of performance standards and consequently the price will vary depending upon the brand of chip used by the manufacturer.
While high performance lamps use CREE or OSRAM; the price may be a little rich for most consumers. Instead, you may want to opt for a lamp with a chip from Bridgelux, Samsung or Epistar to name but three affordable, quality chips.
Use of a good quality chip results in beautiful color, (as gauged by its color temperature and color rendering index - CRI), as well as high luminous efficacy (a measure of how well a light source produces visible light).
Chip lengths are measured in millimeters (mil) and one millimeter equals one thousandth of an inch. Generally, the larger the chip the better the performance.
As specifications and claims by manufacturers tend to be over-stated, it is prudent to compare one lamp with another by determining which components are used in the manufacture of the products in question.
Many manufactures use SMD LED chips in indoor lighting, such as SMD 2835 in LED tubes, and SMD 3014 in LED panel lights.
These low power LEDs produce fewer fasadskylt lumens resulting in a light that is easy on the human eye. Simply put, a lumen is a measurement of the amount of light emitted per second.
High power LEDs are used in industrial lamps due to their small size and the result is a concentrated light that does an excellent job.
Many LED high bay lamps are fitted with 45x45 mil chips and are used and packaged with a chips on board (COB) light source.
For your information, the numbers 2835, 3014, 3528, 5050, 5630 are the names of packaging process models.
Another process with a very promising future is the previously mentioned COB light source, where chips are mounted directly on the printed circuit boards (PCB) as opposed to surfaced mount devices (SMD).
As these light sources have a variety of features, it's recommended you take a few minutes to familiarize yourself with them in order to best satisfy your requirements.
Commercial refrigeration is very useful for the owners of big restaurants, business or a departmental store for providing right refrigeration services to their shops.
The method of choosing a commercial refrigerator is different from choosing a residential refrigerator.
To set up perfect refrigeration, the exact location for placing the refrigerator must be chosen first. If the commercial refrigerators have to be kept in dark areas, it is necessary to make sure that it comes with lights that have the ability to switch on its own when the doors are opened.
Majority of the commercial refrigerators are produced using stainless materials because of its easy maintenance and also they match perfectly with other kitchen items.
The size of commercial refrigerator should be chosen based on the needs of the business.
Purchasing commercial refrigerators with glass doors are very helpful for locating the food items very easily and they are highly suitable for business which involves selling of food items.
The installation and maintenance of commercial refrigeration equipments are carried out by trained technicians and specialists.
The commercial refrigeration equipments include grocery freezers, grocery coolers, coolers and freezers of restaurants and chillers units.
They are helpful for cooling and enabling the movement of water via evaporators to provide the air conditioning facility. Various tools are necessary for the proper maintenance of these equipments.
Basic hand tools such as pliers, screwdrivers, flashlights, telescopes, drills, levels, wrenches are very important for installing, repairing and maintaining these equipments.
The level of temperature and pressure of the air vapours passing into the refrigeration equipments can be altered with the help of compressors.
The size and location of the compressor walk in cooler for sale is determined by the model of the refrigeration equipments.
If any working movements are not seen or if the items kept inside the refrigeration does not remain cool, then there is a high probability that the compressor is having some problems requiring refrigeration services from a trained technician.
If a constant temperature level is not maintained in a commercial refrigeration unit, it may due to several reasons. Sub heating, sub cooling and the operation temperatures must be checked properly to make sure that they are kept at the right level as indicated in the operation manual.
The fans of commercial refrigerators are helpful for the regulation of temperature of all the parts. If they are affected, then the entire operation gets affected.
The fans should be cleaned at frequent intervals for an effective maintenance of these equipments.
To check whether the fans are provided with enough power, a voltage reading device must be used. Fans are necessary for the effective functioning of the compressors.
Online dating has many advantages. Since the individuals do not physically face each other during an online chat, one can easily ask a number of awkward questions to the other individual without any hesitation.
The only thing that one will miss during such questioning is the body language.
Thesedating have their own ethics. One should not disclose other person's private information like email ID, telephone number and street address etc.
to individuals who are not known to the concerned person. It may create embarrassment to the other person and may actually result in immediate cessation of the relationship.
Online dating allows individuals and couples to meet online and develop a romantic or physical relationship. It is estimated that people in the US spend more than $550 million per year in online dating services.
One can also register with some website that allows individuals to develop personal relationships with its members. Virtual dating is the next evolution of internet dating.
In virtual dating, people interact in a virtual venue like like aCaribbean resort or a cafe in Paris. They can chat, romance and play games with other like minded individuals in the virtual venue.
One can also register oneself with a website that offers good online dating services for single men and women to get a life partner for oneself.
When dating with her, a man should take care not to offend the feelings of a woman. A man should complement a woman for her attire and make up. It would Chat rooms be very nice if he offers a red rose to his woman on the first date.
It is the man who often starts first conversation on a dating. Therefore, he should first ask about the well being of the woman and then start his conversation. Women should also follow some basicetiquette while dating with him.
They should reach a dating venue in time and speak softly with their men. Any man would be irritated if he is made to wait for half an hour or more.
Women should also groom themselves well for the occasion, but avoid too much cosmetics as her beauty might appear artificial to the man.
The rules of dating have changed significantly in past few years. People have challenged the social norms that mandated a woman to remain subdued and passive.
Now, it is not considered necessary that a man should always start conversation on a first date. In most present daydating , it is the woman who takes the initiative.
It is often she who decides the meeting venue and also starts the conversation. For many individuals, it will be difficult to strike a good note with the opposite sex on his or her first date.
Therefore, such individuals should take advice from their friends who have some experience of dating. Such friends will help in removing the anxiety and misconception of first dating.
One should also tell the individual about one's sexual orientation. To say it more clearly, one should frankly inform other individual if one is a gay, homosexual, lesbian or transsexual.
But one should take due precautions while disclosing any sensitive personal information to other individual.
There have been instances when personal photographs and telephone numbers that a girl had shared with her boyfriend were later disclosed by the boyfriend to his friends and even total strangers. In such situations, it is often the girl who is at the receiving end and suffers most.
The cubicles are still used in places where employees work with telephones. With these cubicles, privacy and a sound proof environment can be made possible.
The second design is the contemporary modular office furniture in which the employees can work as a team and can interact effectively.
This design is so flexible and has provisions for every single purpose. The modular office furniture can be mounted in different ways.
Some designs include mounting all the modules with a support from the wall.
This is not completely fixed but needs some expertise to change the existing design. The second type is flexible and is mounted along the floor to provide easy re-configuration.
The modules in this design include common computer desks with small partition; file drawers, file cabinets, wiring closets and ergonomic chairs
These days, Modern Office Furniture has turned out to be the latest trend in corporate houses and offices. Different researches suggest that the approach of an office in planning out the space, and the furniture to be placed, can provide a straight effect on the output of employees.
That's the very reason why, a lot of companies and business houses take the initiative to modify the office furniture and replace the old ones with new styled furniture.
No doubt, there is a huge variety of contemporary desk executive chair, desk, cabinet, table and more to choose from.
Some furniture closeouts and shops even provide highly affordable modern office furniture.
So let's know more about the modern furniture.
Modern office furniture- The Types
Contemporary office furniture usually comes in two types, - freestanding and panel mounted. Both these types of furniture are used in the modular offices.
Out of the two, the panel mounted types are most used kind of furniture. The panel mounted furniture has wall panels used as the support of the system.
Additionally, some parts like the file cabinets and the desks are mounted in a straight line onto the panels.
The freestanding furniture consists of dissever panels. These panels are placed around the furniture. Remember every design includes its own individual services as well as benefits.
For instance, the panel based contemporary furniture provides considerable design elasticity, and can even be installed with the inner power supplies.
Nonetheless, they are also tall enough to ensure noise reduction and privacy.