помогите составить 5 предложений к этому предложению. Drilling is known to involve heavy-duty equipment, a variety of fluids and sophisticated instrumentation.
1) Общий.
2) Специальный
3) Альтернативный.
4) Разделительный.
5) К подлежащему

1) Общий.Is drilling known to involve heavy-duty equipment, a variety of fluids and sophisticated instrumentation?2) СпециальныйWhat is drilling known to involve?3) Альтернативный.Is drilling known to involve heavy-duty equipment or sophisticated instrumentation?4) Разделительный.Drilling is known to involve heavy-duty equipment, a variety of fluids and sophisticated instrumentation, isn't it?5) К подлежащему What is known to involve heavy-duty equipment, a variety of fluids and sophisticated instrumentation?