Each of us, when choosing lamps, has noticed more than once that there are simply a huge number of them - different designs, power, bases of different shapes and much more. So, sometimes you think about whether to buy some new lamp, because, according to the manufacturer, there is no harm from it, and it saves electricity, and it shines quite brightly. Let's take a look at what types of light bulbs exist and how they differ from each other. We will also talk about which are more and which are less harmful to he alth
Tools and equipment 2024, November
Incandescent lamps have been known to us for a long time. Today, this device fades into the background. To understand why this happens, you should consider the advantages and disadvantages that incandescent lamps have, the characteristics and features of their operation
Everyone has come across a situation where it is necessary to turn on the lights in a completely dark room. Even if the location of the switch is known, it can be very difficult to cope with the task. And in unfamiliar surroundings, the search can take a long time. By using a backlit switch, you can avoid such situations
Search or rescue work, spending the night in a tourist tent, highlighting car engine parts, swimming to the seabed, and just an evening walk today cannot do without a bright beam of an LED flashlight. Unlike an incandescent lamp, an LED will last 50 times longer. It differs from large and expensive xenon lamps in compactness, light weight, low price and longer service life
The operations of laying brick and stone materials and the installation of tile coverings require a special approach to sealing joints. These are the most sensitive and unprotected places of structures, so they need special attention. Cement, silicone and epoxy mixtures help to qualitatively arrange such joints. The main thing is to apply them correctly. Just for such tasks, a mounting-type grout gun is designed
UV glue for glass and metal does not require processing of materials before gluing. According to technology, it is enough to walk on the surface with a glass cleaner. When hardened, a durable polymer layer is formed, which is transparent, colorless and moisture resistant. In addition, it provides reliability in conditions of strong vibration and has sufficient breaking force. Operating temperature varies from minus 40 to plus 150 degrees
Thermocouple - what is it? A lot is clear from the title. The device is a transducer used to measure the temperature of the working environment
The article is devoted to hand-held flashlights. The main characteristics of such devices, varieties, batteries, etc. are considered
Not every person has enough financial resources to hire a team of workers and even more expensive contractor who will do all the necessary work. Therefore, when repairing an apartment, its owner has to do everything himself. In such an undertaking, the key to success will be great experience, certain knowledge in the field of construction and, most importantly, high-quality multifunctional manual locksmith tools
In early February 2011, European law mandated that every vehicle must have Isofix mounts. The basis for this was the creation of child car seats with the system of the same name, the authors of which were the Volkswagen company
Today, almost every home has a washing machine, refrigerator and stove. The microwave will not surprise guests. But the dishwasher is still a rare thing in our kitchens. Such automation is considered a luxury item, and not a device necessary for every housewife
If you are interested in traditional humidifiers, then on sale you can find a variety of models, the main functionality of which is the evaporation of water. Most often, such devices have replaceable cassettes made of moisture-absorbing material
Kettle in the kitchen is a traditional and everyday thing. We have become so accustomed to it that we simply do not notice its importance. However, everything changes when it fails. And then the question arises: how to choose a new one, which model and manufacturer. Currently, there is a very large selection in stores, so it is sometimes difficult to find the right option. It is recommended to pay attention to the Polaris trademark. Their products are quite diverse and can satisfy any request
Surely many of you have encountered the fact that the air in the apartment or in the house is quite dry. The reasons may be heating, summer season with a long drought. Owners of home weather stations and air humidity meters may notice that the percentage of this parameter is below normal. The Ballu air humidifier will help to correct the situation and improve the indicator
In our article we will tell you how to choose a light bulb. Here are some tips to help you in this matter. Depending on the technology of light emitting elements used, light bulbs come in different types (classic incandescent lamps, fluorescent devices, halogen-type devices, LED lamps)
The Leomax water heater, reviews of which will be useful for you to read before buying, will provide hot water to the whole family when it is turned off. If you still cannot decide which device to purchase - a storage tank or a flow tap, then you should consider the advantages of the latter device. The first plus can be seen in the name itself. Instantaneous water heater, put on the faucet, very compact
One of the types of folk craft is the creation of ceramic products. About what ceramics is, what types it is divided into, what is produced from it, read the article
What is a pulse counter, the principle of counting. Appointment of counters. Application of the recorder. Pulse counter "ARIES". Why do you need a single-channel counter. Setting parameters on the counter
Batch switch - what is this device? Where is the device used and what is its design? What does the designation of the switch mean, and what are its advantages? How to connect the device to the electrical circuit?
Electronic circuits sometimes fail. There are many reasons for this, but the point is to change the current modes, which have a destructive effect on the radio elements. Exceeding the permissible ratings of electricity leads not only to the burnout of radio components, it happens that even the current-carrying tracks of the printed circuit board burn out. To restore operability, it is necessary to calculate which components of the circuit have suffered
What is a voltage multiplier, on what elements is it assembled. Where is the device used? The principle of operation of the device. What processes occur in the circuit elements. Advantages and disadvantages of a voltage multiplier
What is Mayevsky's crane, how does it work. Where is the needle valve used, the principle of operation. Crane installation rules. How to use the Mayevsky valve. Advantages and disadvantages of the device. Maintenance
What is a voltage and current stabilizer? What are stabilizers? Schemes of voltage and current stabilizers with a regulation function. Variable network voltage stabilizer. How to make a stabilizer with your own hands?
The time when water from a well or borehole could be safely consumed is long gone. Even the springs of areas remote from megacities are unsafe for he alth. This is explained by the serious environmental situation associated with the pollution of water resources around the world. Therefore, the use of purifiers and water softeners is vital today
What are electrical distribution junction boxes? Classification of junction boxes. Scope of the product. Design features and benefits of use. Step-by-step installation of the outer junction box
What are transformers, their types and description. Schemes for connecting the transformer windings with a star, a triangle, a zigzag. What are groups of transformers. What is the third harmonic for?
What is a low dropout voltage stabilizer? Purpose and application of the stabilizer. The principle of operation and the scheme of switching on the device. Using the stabilizer in other circuits
What is a toilet eccentric, in what cases is it used. Eccentric sizes. Other types of couplings. Step-by-step installation of the eccentric cuff on the toilet
What is a thermal relay, what is it for? What is the principle of operation of the device based on, and what characteristics does it have? Basic relay connection diagrams. What should be considered when choosing a relay and installing it?
Rolling shutters are a kind of blinds, they are designed to perform not only a decorative, but also a protective role. Many install roller shutters with the help of specialists. You should be prepared for the fact that their services are not cheap. That is why you can do such work yourself
End mill is a metal-cutting tool widely used in mechanical engineering, designed for processing various planes, ledges, grooves and shaped surfaces of complex geometry. The main feature of this tool is the possibility of simultaneous processing of two perpendicular planes, due to the presence of teeth both on the cylindrical and on the end surface of the cutter
The oven in the kitchen is one of the important tools in many culinary experiments. However, the modern range of household appliances often leads to confusion when you need to choose one thing
Recently, designers recommend installing embedded appliances. For example, you can put a refrigerator in the nightstand, which will close the wooden door. And the built-in gas panel is not only functional, but also beautiful
The hood in the kitchen is an essential attribute. The cleanliness and microclimate of the entire housing depend on how correctly this equipment is selected. A wide range of devices allows you to purchase the right model for any design project. One of the most interesting options is a fireplace hood
Catalytic cleaning of ovens is an accelerated chemical reaction of the breakdown of fats into organic residues, carbon and water under the influence of fat-absorbing substances (oxidants). The composition of the absorbing surface includes a chemical oxidation catalyst, an absorbent with nano-particles, porous and non-porous substrates
Eggs can be separated, of course, without the help of any kitchen tools - by simply pouring the yolk from one half of the eggshell into the other over a bowl. But this is quite painstaking work that requires certain skills and accuracy, and you can’t call it clean either. Fortunately, there is a simple kitchen tool that easily separates the yolk from the protein in seconds
The socket and plug for the electric stove are significantly different from those that we are used to usually see in the walls. Therefore, along with the purchase of this electrical device, you should also take care of purchasing a special outlet for it
Article on the use of an electric sharpener in the household. Which household sanding machine to choose? How does an electric knife sharpener work?
Makita was founded almost 100 years ago. Naturally, today it has become a leader in the sale of tools. The product range of this manufacturer is very rich and includes more than 1000 items. A special place in this product line is occupied by Bulgarians Makita. They are presented in huge quantities, but all models are distinguished by reliability and quality
An impact drill is usually offered to those customers who come to a speci alty store for a tool to make a groove in the wall. Using this type of tool at home allows you to quickly complete a number of jobs with minimal effort. It is important to take into account the fact that the impact drill is very affordable