




Analysis:
To ensure all the liquid is consumed, the positioning of the refill bottle needs to properly align with the red mark on the socket. This alignment allows the liquid to flow freely without obstruction, ensuring complete usage.

Refill 1: Examination reveals potential misalignment issues; thus, not all liquid can be used.

Refill 2: The configuration appears to correctly align the red marks, facilitating complete liquid use.

Refill 3: Proper alignment is possible with this configuration, enabling full liquid consumption.

Refill 4: Designed to align correctly, allowing for complete use of the liquid repellent.
Conclusion: The refills that enable the liquid to be entirely used (Refill 2, Refill 3, and Refill 4) successfully align the refill's red mark with the machine's equivalent mark. Therefore, these configurations are correct.


Enumerate the number of spelling mistakes in the following paragraph:
Memory of childhod are unforgetable. I was four year old when my grandfather died. I clearly remember how everybody in the house was weping. Ones my mother love me very much when I had a bad dream. I brook my leg and was in plaster for two month. These and other memory still come on the iner screen of my mind very often.
Count the number of fonts used in the given set of words.
The term "ergonomics" can simply be defined as the study of work. It is the science of fitting jobs to the people who work in them. Adapting the job to fit the worker can help reduce ergonomic stress and eliminate many potential ergonomic disorders