Flotation device for automatic swimming pool cleanersDaniel J V D Chauvier
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2 year old boy swimming in the pool with a flotation device -- image taken in Reno Nevada USA ID: 201396494 收藏 加入清单 下载版权Tanya Little TIFF大小 34.5MB 格式JPG 肖像权已获得肖像权 编辑图片 以图搜图 大图:4255× 2836 像素·36.03 cm × 24.01 cm·300dpi·JPG 中图:1000× 666 像素·...
pool , a rescue pole is also a good thing to have on hand.(5)__You should only use flotation devices labeled "Coast Guard Approved"A.But most of the time there is no sound at all.B.Never rely on floaters , water wings or inner tubes.C.T he area around the pool should be well...
20You should only use flotation devices labeled “Coast Guardapproved”.A.But most of the time there is no sound at all.B.Never rely on floaters, water wings or inner tubes.C.The area around the pool should be well cleaned after each use.D.Keep an eye on kids if they’re swimming ...
G Children should be allowed to enter the pool only if they have learned swimming 仅当儿童学习游泳后,才应允许他们进入游泳池。20【答案】D【解析】根据You should only use flotation devices labeled " Coast Guard approved."(你只能使用标有“海岸警卫队认可”的浮选设备。)结合选项,故选D,D Keep an...
前文“Keep a variety of flotation devices in and around the pool like a life jacket plus pool noodles or a paddle board. That helps when accidents happen.(在泳池内和周围放置各种漂浮装置,比如救生衣、泳池面或桨板。这在事故发生时很有帮助)”表明可以通过外在辅助设备来防止溺水,E选项“溺水的人如果...
上文Keep a variety of flotation devices in and around the pool like a life jacket plus pool noodles or a paddle board.That helps when accidents happen.(在游泳池内和周围放置各种漂浮装置,如救生衣加泳池浮条或桨板。当事故发生时,这会有所帮助。)说明各种漂浮装置可以在以防孩子溺水时可供抓住,从而...
but that may vary based on your health and fitness level (children younger than 6 years of age need 15-30 minutes, and 6- to 12-year-olds need 30-45 minutes). The instructor should use kickboards, float belts, or other flotation devices to assist you if necessary, and they should be...
If desired, baffle assembly 42 can be made with one or more variable flotation chambers or externally attached flotation devices or weights to better control buoyancy of the resultant assembly during use. Referring to FIGS. 1, 2 and 6-8, inlet duct assembly 14 preferably further comprises a ...