| 摘要 |
PROBLEM TO BE SOLVED: To provide a sandpit protecting apparatus that prevents animals, for example, dogs, cats and other animals from invading into the sandpit and can avoid adverse effect of the excretion of these animals on the human bodies at times when the sandpit does not need to be opened, for example, during night time. SOLUTION: This sandpit protecting apparatus comprises a plurality of roller doors that are arranged so that the surrounding of the sandpit may be surrounded with these roller doors.
|
