Complex sentence: Raw bamboo charcoal is made of bamboo body such as culms, branch, and root; bamboo briquette charcoal is made of bamboo residue, such as bamboo dust, saw powder, etc, by compressing the residue into certain shape sticks and carbonizing the sticks.
Split into simpler sentences: Raw bamboo charcoal is made of bamboo body such as culms, branch, and root. Bamboo briquette charcoal is made of bamboo residue, such as bamboo dust, saw powder, etc. by compressing the residue into certain shape sticks and carbonizing the sticks.