sure, here's a similar short phrase drilling rock is tough but ...

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The polymerization of resin monomers was initiated in the presence of nanofibers as structural templates to prepare a hydrogel with nanofibrous networks, followed by the drying and pyrolysis to get hard carbon aerogel. During polymerization, the monomers deposit on templates and weld the fiber-fiber joints, leaving a random network structure with massive robust joints. Moreover, physical properties (such as diameters of nanofiber, densities of aerogels, and mechanical properties) can be controlled by simply tuning templates and the amount of raw materials.

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The portable rock drill, as the name suggests, is designed for easy mobility, allowing it to operate in even the most remote and challenging terrains. Its compact size and lightweight design make it possible to transport and deploy with remarkable ease, enhancing operational flexibility. Unlike their larger, stationary counterparts, these drills can be effortlessly moved from one drilling site to another, saving time and resources.

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