The side view shows a distinct difference in the thickness of the two tools, with tool B significantly slimmer than tool A. The pictures describe the evolution of Stone Age cutting tools between 1. It can be seen that the latter design had seen vast improvements in the size, shape and finishing quality. Tool A, which dated back to 1. At about 7cm in length, the tool was thin and did not display much craftsmanship.
The front and back view were plain with only some slight chiselling effort while the side was rough and not very indicative of a cutting utensil. Tool B showed many updated features compared to the older version. First of all, it was larger and sturdier due to a better water drop design with a broad base and pointy top. Second, both front and back sides were grounded more evenly and smoothly. Tool A was made approximately 1. It was like an animal tooth about 8 cm long with a rough surface.
Naturally, there are tons of tools that are designed for cutting wood. Owning a lathe is essential if you want to be able to work with wood as easily as possible. These lathes can be used to cut wood in many different ways.
You can attach many different types of tools to the lathe and will be able to use it as a sort of all-encompassing woodworking tool. Whether you need to make precision cuts, or if you are looking to plane a piece of lumber, this is going to be the right tool for the job. A good lathe can be a bit costly, but it will definitely be worth the investment. You will simply have to make sure that you can afford to buy one of the better ones on your current budget.
If you need to cut a large number of different planks or other pieces of lumber, then using a table saw is really going to expedite the process.
You can make very precise cuts using a table saw. When you have one of these table saws available to you, it will be easy to make many cuts one right after the other. This is the type of saw that professionals use when they are preparing their lumber in many different circumstances.
Buying a professional table saw is going to be useful if you run any type of construction business. Businesses that work with lumber will benefit from having a table saw that is ready to use on the job site. The table saw that is being shown here can be transported to the job site very easily and will help you to make the cutting part of your job a lot quicker.
Saving time is always a good thing, and this saw will prove to be well worth the investment because of it. If you want to own one of these table saws, then you should be aware that there are some variations. Others will have legs like the model that is being shown here. Just be sure to buy one that suits your needs, and you will be cutting boards much more swiftly than ever before. Hacksaws are more commonly used to cut pipes and other things inside of the home in modern times.
Regardless, they can be quite handy when you need to saw through a log. One interesting thing about hacksaws is that you can remove the blade and insert a blade that is meant for the type of material that you are cutting. The tooth count on the blade is going to differ depending on what you are using at the time. If you want to cut through wood, then you will want to get a blade that is meant for this material.
Once you have everything that you need, this is going to be a really useful saw to have around for its multi-purpose nature. Coping saws are really important to own when you need to make more intricate cuts. These handy saws are used to make curved cuts and can even be used to cut intricate shapes. Using one of these saws to its full potential may require a little bit of know-how, but once you get it all figured out, you will be really glad to own one.
The blade on a coping saw is really thin, making it simple to change directions when you need to. You can even make cuts inside of the wood if you want when you have this saw.
A bow saw will be a tool that you will rely on for woodcutting purposes time and time again. This saw has a fairly long blade for a handsaw. It features many teeth in a cross-cut design, and this allows it to cut tree limbs very swiftly. It will cut both when you are pushing with the saw and when you are pulling. Saws like this can be used for many different tasks.
You will be able to prune your trees with this saw if you so choose. Even so, it can be very good for cutting tree limbs. People also use bow saws to cut through logs. You will want to keep one of these in your tool collection if you do a lot of work outside.
This saw is definitely one that will see more use outdoors than indoors, but it is perfect for your outdoor woodcutting purposes. You are going to want to have one of these saws when you need to cut through rough wood. This saw is characterized by having a large and thick blade. The teeth are also quite large and will be able to be used for cutting large limbs or even trees.
If you need to cut through tough pieces of wood on a regular basis, then you will want to own a quality crosscut saw. You need to have access to tools that are durable and reliable. A high-quality crosscut saw will be able to be used for many years. It will serve many purposes for you and is going to be your preferred saw for many outdoor woodcutting tasks.
A jigsaw is very useful for cutting curves and can also be great when you just need to cut lines into a piece of lumber. These saws are very commonly used for many purposes, so owning one will be a smart choice that will come in handy in several areas.
When it comes to woodcutting, you will love being able to cut curves without it being a real hassle. You can use a jigsaw for most materials, such as plastic, wood, laminate, metal, etc. All you need for fast cutting is to choose the right blade. Here are few helpful tips on choosing right jigsaw blade types : use a carbon steel blades to cut wood and PVC, bi-metal blades for thin metals, fine-toothed blades if you want to make an accurate and clean cuts and use coarse blades for cutting wood faster.
All of this tips will help you to cut through your material and you will enjoy the final results. Hazardous Situation Standing for a long time reduces blood flow to the legs, forces isolated muscles to work for an extended time, and increases risk of fatigue and varicose veins.
Rotate employees to tasks that do not require prolonged standing. Provide shoe insoles that cushion the feet and spread foot pressure over a larger surface. Provide a foot rest in front of employees so they can lift one foot, allowing them to continually shift their posture. Forceful hand exertions. Hazardous Situation Employees exert high finger force with both hands to open and close the tool and to hold the product while the skin is being pulled.
Possible Solutions Provide appropriate hand tools. Use a clamp or jig to hold chicken parts while pulling skin. Use gloves with rough surfaces to hold chicken parts. Rotate to non-hand intensive tasks. Task 2: Line Loader. Bending at the waist to lift tubs of product.
Hazardous Situation Repeatedly bending forward and reaching out away from the body stresses the back even if there is a little weight being lifted because the upper body must be supported. Possible Solutions Place tubs on shelves that are waist high so employees do not need to bend when lifting. Place product in larger transport tubs, then use a tilter dumper to elevate and tilt so the contents are continually moved forward toward the employee and are maintained at about waist height at all times.
Place product in larger transport tubs, then use a tub dumper at the workstation to empty contents on the conveyor. Use conveyor or auger to mechanically transport product from one station to the other. Task 3: Deboner. Ergonomic hazards from use of knives. Hazardous Situation Workers use a knife to cut the meat away from the bone. Possible Solutions Keep knives sharp and in good condition.
Remove damaged knives from service. Use knives appropriate for the task. Provide properly sized gloves. Tilt work surfaces towards employees to reduce wrist deviation. Divide the task into specific units and provide an appropriate cutting tool so the task can be performed with a neutral wrist and body posture.
Cuts and lacerations. Hazardous Situation Employees are performing highly repetitive tasks using knives close to other employees. Possible Solutions Allow sufficient room for each employee on the line. Use mesh glove on non-cutting hand. Maintain sharp blades. Hazardous Situation Employees repeatedly reach to a conveyor or shelf to obtain parts for deboning and reach to place finished product in tubs or receptacles. Possible Solutions Use diverter bars to push product closer to the employee.
Reduce width of cutting surfaces so product can be presented closer to the employee. Position cones and other work fixtures so all activities of the task can be performed with the elbows in close to the torso.
Provide height-adjustable stands , where appropriate, to place employee in proper orientation to the work surface. Hazardous Situation Standing for a long time reduces blood flow to the legs and forces isolated muscles to work for extended periods of time.
Provide a foot rest in front of employees so they can shift their posture. Task 4: Tender Puller. Hazardous Situation Employees repeatedly reach to conveyor or shelf to obtain breasts, reach to cones to pull tenders, or reach to place finished product in tubs or receptacles.
Reduce width of work surfaces so the product is presented closer to the employee. Task 5: Trimmer. Ergonomic hazards from use of scissors. Hazardous Situation Use of traditional scissors forces the fingers to repeatedly open and close the jaws, which can stress tendons, increasing the risk of tenosynovitis and carpal tunnel. Provide pneumatic scissors ; these scissors can be activated by employees with little finger force and with the wrist in a neutral posture.
A cut proof glove should be used on non-cutting hand. Provide spring activated scissors ; these scissors open automatically after each cutting motion. Rotate to those tasks that do not require scissor use. Hazardous Situation Employees repeatedly reach to a conveyor or shelf to obtain parts for trimming and reach to place finished product in tubs or receptacles. Possible Solutions Use diverter bars to push the product closer to the employee.
Reduce width of the work area so the product is presented closer to the employee. Task 6: Quality Control Inspector. Hazardous Situation Employees repeatedly reach to a conveyor or shelf to obtain parts for inspection. Use diverter bars to push the product closer to the employee. Reduce width of conveyors so the product is presented closer to the employee. Position employee so all activities of the task can be performed with the elbows in close to the torso.
Rotate to tasks that do not require prolonged standing. Support Task: Knife Person. Slips, trips, and falls. Hazardous Situation Workers walk all over the facility on wet floors that may have bird skin, bird parts, and ice on them, creating a slipping hazard.
Possible Solutions Cover drains with non-slip grating. Provide workers with non-slip footwear and require its use. Paint floors with slip-resistant paint or install non-slip floor tile.
Provide guardrails at workstations adjacent to dangerous equipment to prevent injury. Carry knives in sheaths or closed containers. Hazards from use of grinders. Hazardous Situation Employees may suffer cuts, lacerations, skin abrasion, contusions, or eye damage during use of grinders to sharpen knives.
Possible Solutions Use safety goggles or other protective eyewear. Use only grinding wheels with rpm rating matching the spindle speed of the grinder. Use ring test procedure to check for non-visible damage to the grinding wheel. Follow manufacturer's recommendations for guarding and use of the grinding wheel.
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