Yes, Hitachi offers a range of professional cordless power tools. Their cordless tools are designed for professional use and are known for their durability, performance, and reliability. Hitachi's cordless power tools include drills, impact drivers, saws, and grinders, providing professionals with the flexibility and convenience of cordless operation without sacrificing power or performance. **

Bosch and Makita are both well-known brands that offer a wide range of cordless power tools. Einhell also offers cordless power tools, but it is not as widely recognized as Bosch and Makita. All three brands have a variety of cordless power tools available for different applications, so it ultimately depends on the specific tool and features you are looking for. **

A metal construction apprentice will need a variety of tools to perform their job effectively. Some essential tools include a welding machine, angle grinder, cutting torch, measuring tape, level, hammer, chisel, vise grips, clamps, and safety equipment such as welding gloves, helmet, and protective clothing. These tools are necessary for tasks such as cutting, shaping, welding, and assembling metal components. Additionally, a good set of hand tools and power tools will also be required for various construction and fabrication tasks. **

Humans are the primary beings that use tools to make tools. This ability is a defining characteristic of human intelligence and has allowed us to develop complex technologies and civilizations. Some primates, such as chimpanzees and bonobos, have also been observed using tools to make tools, although their tool-making abilities are not as advanced as humans. **

To drill a hole in the garden through layers of soil, clay, and rocks, a powerful and durable rotary hammer drill with a masonry bit would be suitable. The rotary hammer drill is designed to handle tough materials like concrete and rock, making it effective for drilling through the layers in the garden. Additionally, using a water-cooled diamond core drill bit could also be effective for drilling through the layers, as it is specifically designed for drilling through hard materials like rock and clay. Both of these tools would provide the necessary power and precision to drill through the layers in the garden. **

There are several types of drilling tools available, including handheld drills, drill presses, rotary hammers, and impact drivers. Handheld drills are versatile and can be used for a variety of drilling tasks. Drill presses are stationary tools that provide precision and stability for drilling holes. Rotary hammers are powerful tools commonly used for drilling into concrete and masonry. Impact drivers are designed for driving screws and fasteners, but can also be used for drilling holes in wood and metal. **

To remove rust from metal tools, you can use a few different methods. One common method is to soak the tools in a solution of equal parts white vinegar and water for a few hours, then scrub the rust off with a wire brush or steel wool. Another option is to create a paste using baking soda and water, apply it to the rusted areas, let it sit for a few hours, then scrub it off. You can also use a commercial rust remover product following the manufacturer's instructions. After removing the rust, make sure to dry the tools thoroughly and apply a thin coat of oil to prevent future rusting. **

Metal shavings can be removed from tools by using a magnet to attract and collect the shavings. Another method is to use compressed air to blow the shavings off the tool. Additionally, a brush or vacuum can be used to sweep or suck up the shavings from the tool's surface. It's important to wear protective gear such as gloves and goggles when handling metal shavings to avoid injury. **