Review: Utility Knives,Saws,Files, Rasps, Clamps,Chain Falls,Shovels And Picks

Explanation
A chalk line is placed by stretching the line tightly across a surface and snapping it. This is because snapping the line causes the chalk powder to be released from the line, leaving a straight and visible mark on the surface. Walking over it or pressing it would not release the chalk powder and therefore would not create a visible line.

Explanation
A round shovel is commonly used to dig holes or remove soil. Its circular shape allows for efficient digging and scooping, making it suitable for various gardening and construction tasks. The rounded blade of the shovel enables it to penetrate the ground easily and scoop up soil effectively. The round design also provides stability and balance when digging, making it a preferred choice for many people. Therefore, the round shovel is the correct answer in this context.

Explanation
A square shovel is commonly used to move gravel or help clean up debris. Unlike round or spade shovels, the square shape of the shovel's blade allows for more efficient scooping and lifting of materials. It provides a larger surface area for gathering and moving gravel or debris, making the task easier and more effective.

Explanation
A spade is the correct answer because it is a type of shovel that is specifically designed for digging trenches with straight sides. Unlike a square or round shovel, a spade has a flat, rectangular blade that is ideal for creating straight edges and corners in a trench. The shape of the spade allows for more precise digging and shaping of the trench, making it the most suitable tool for this task.

Explanation
When using a utility knife, it is important to protect the surface you are cutting on. Placing a piece of scrap under the object helps to prevent any damage to the surface. This scrap piece acts as a protective layer, ensuring that the surface remains intact while you make the cut. By doing so, you can safely and effectively use the utility knife without causing any harm to the cutting surface.

Explanation
A file card should be used to clean a file. A file card is a tool specifically designed for cleaning files. It has rows of stiff wire bristles that effectively remove debris and metal shavings from the teeth of the file. Using a file card ensures that the file remains clean and in good condition, allowing it to work efficiently and prolonging its lifespan. A wire brush may be too harsh and damage the file, while a toothbrush may not be effective enough to thoroughly clean the file.

Explanation
To keep your balance while sawing, it is important to brace yourself on the last stroke. This suggests that the last stroke of sawing requires more stability and control, as it can be more forceful and impactful. By bracing yourself on the last stroke, you can maintain balance and prevent any potential accidents or injuries.

Explanation
If a frame of a clamp is broken or bent, it should be discarded. This is because a broken or bent frame can compromise the functionality and safety of the clamp. Reusing a damaged frame can lead to further damage or accidents. Fixing may not be a viable option as it may not restore the clamp to its original strength and stability. Therefore, the best course of action is to discard the clamp frame and replace it with a new, undamaged one.

Explanation
A utility knife with a retractable blade is the safest option because it allows the user to easily retract the blade when not in use, reducing the risk of accidental cuts or injuries. This feature ensures that the blade is only exposed when necessary, providing greater control and minimizing the chances of accidents.

Explanation
You should never get lubricant on the clutch of a chain fall or come-along because the clutch is responsible for engaging and disengaging the chain, allowing for smooth operation. If lubricant is applied to the clutch, it may cause it to slip or not engage properly, leading to a loss of control and potentially dangerous situations. It is important to keep the clutch clean and free from any lubricant to ensure the safe and efficient functioning of the chain fall or come-along.

Explanation
A backsaw is a type of saw that has a flat blade with a reinforced back edge. This design allows for greater precision and control when cutting joints. The reinforced back edge helps to keep the blade straight and prevents it from bending or flexing during use. This makes the backsaw ideal for making accurate and clean cuts in woodworking projects that require precise joinery.

Explanation
A compass saw is designed specifically for cutting curves in wood or wall board quickly and creating holes for large-diameter pipes. Its thin, narrow blade with fine teeth allows for precise and controlled cutting, making it ideal for intricate woodworking tasks. The coping saw, on the other hand, is used for cutting intricate curves and shapes in wood, while a hacksaw is primarily used for cutting metal. Therefore, the compass saw is the most suitable option for the given task.

Explanation
A coping saw is a type of saw that is specifically designed for making precise and intricate cuts, such as those needed to fit moldings together. It has a thin, narrow blade with fine teeth that can easily maneuver around curves and corners. The coping saw allows for more control and accuracy when cutting, making it the ideal tool for creating precise and seamless joints in moldings.

Explanation
A hacksaw is the correct answer because it is a type of saw specifically designed for cutting through metals, including nails. It has a fine-toothed blade that can easily cut through tough materials. A handsaw and coping saw are not typically used for cutting metals, making them incorrect options.

Explanation
A pick is a tool that is commonly used for breaking hardened soil, chopping tree roots, breaking up stones and concrete, or digging a hole. It has a pointed end on one side and a flat end on the other side. The pointed end is used for breaking and digging, while the flat end can be used for pounding and hammering. Picks are typically made of strong and durable materials such as steel, making them suitable for heavy-duty tasks.