Question: safety rules:all riders using the 2.0-cable must read and respect your safety rules.
Answer: --> SAFETY RULES:All riders using the 2.0-cable must read and respect your safety rules.

Question: wpfgfx_v0300.dll program freezing and system crashing: important system components such as presentationcore.dll and system.data.dll become abnormal.
Answer: --> wpfgfx_v0300.dll program freezing and system crashing: Important system components such as PresentationCore.dll and System.Data.dll become abnormal.

Question: during those years bathrooms became one of the key elements of every house or flat.
Answer:
--> During those years bathrooms became one of the key elements of every house or flat.