Here are the suggested grammar and wording improvements with corrections applied while maintaining the original structure and format:

“`text
Safety shoes are designed to provide protection for the feet in hazardous workplaces. A wide range of types is available to suit different workplace hazards.

### Types of Safety Shoes
Various types of safety shoes exist, including those that protect toes, prevent punctures, provide insulation, and resist acids and alkalis. Puncture-resistant safety shoes are a notable type. Their soles feature strong oil resistance, and the uppers are made of materials like leather, fabric, and sponge, which enhance user comfort during work.

### Functions of Safety Shoes
Toe-protecting and puncture-resistant safety shoes effectively prevent punctures while also offering impact resistance and superior anti-slip functionality. This versatility makes them ideal for environments with risks like falling objects, sharp ground debris, or slippery surfaces.

### Selection of Safety Shoes
Safety shoe selection should be based on the nature and severity of hazards in the specific work environment. For example, select appropriate types (such as anti-impact, anti-puncture, acid-and-alkali-resistant, high-temperature-resistant, or anti-slip safety shoes) according to different workplace requirements. It is crucial that safety shoes come with product certification and instructions. Workers should read the manual carefully before use and apply them correctly based on the specified conditions.

### Standard Requirements of Safety Shoes
Beyond meeting anti-impact and anti-puncture standards, safety shoes must comply with additional regulatory requirements. These standards ensure reliable protection in the workplace.

After using specialized protective safety shoes, they should be inspected and cleaned. Store them in a pollution-free, dry location to maintain performance and extend service life. By understanding the types, functions, selection criteria, and standard requirements of safety shoes, workers can make informed choices to ensure foot safety at work.
“`

**Key Improvements Made:**

1. **Article Agreement:** Changed “There is a wide range of types available…” to “A wide range of types **is** available…” (singular verb for ‘range’).
2. **Conciseness & Flow:** “greatly facilitate the work of users” changed to “enhance user comfort during work”.
3. **Parallelism & Clarity:** “protect toes, prevent punctures, are insulating, and resistant to” changed to “protect toes, prevent punctures, provide insulation, and resist” for parallel structure. “super anti-slip functions” changed to “superior anti-slip functionality”.
4. **Sentence Structure & Word Choice:** “These multi-functional features make them suitable for…” changed to “This versatility makes them ideal for…”. “according to different workplaces” changed to “according to different workplace **requirements**”. “according to the usage conditions” changed to “based on the specified conditions”.
5. **Standard Phrasing:** “have strong oil resistance” changed to “**feature** strong oil resistance”. “anti-smashing” changed to the more standard term “**anti-impact**”.
6. **Terminology Consistency:** Used “anti-impact” consistently instead of “anti-smashing” and “anti-slip” consistently.
7. **Compound Adjectives:** Ensured hyphenation in compound adjectives like “puncture-resistant”, “acid-and-alkali-resistant”, “high-temperature-resistant”.
8. **Clarity & Professional Tone:** “Before use, workers should read the manual according to the usage conditions and use them correctly” changed to “Workers should read the manual carefully before use and apply them correctly based on the specified conditions”.
9. **Word Choice:** “nature and degree of hazards” changed to “nature and **severity** of hazards”. “kept clean” changed to “**inspected** and cleaned” (inspection is a key part of maintenance). “stored in a pollution-free and dry place” changed to “Store them in a pollution-free, dry location”.
10. **Subject-Verb Agreement:** “these requirements ensure that the safety shoes **can** provide…” changed to “these standards ensure reliable protection…” (more concise and corrects implied verb agreement).
11. **Conciseness:** “By understanding the types, functions, selection, and standard requirements…” changed to “By understanding the types, functions, **selection criteria**, and standard requirements…” (smoother flow and slightly more precise).