O&S - fireplace
oaw[b&w] / gdn - bee's bum
gdn - sweet pepper roots
rmf / gdn - holey rock
css - mackerel sky
gdn - simple rose
gdn - crosswort
oaw[I] - sawfly larvae {1 of 2}
oaw[I] - Nematus ribesii larvae {2 of 2}
oaw - clever woodpecker
oaw[b&w] - approaching
oaw[b&w] - Bee patrol
gdn - white rugosa [2]
gdn - red rugosa
css - fluffy and streaks
gdn / oaw[b&w] - bee on foxglove
C-130 - and another one
gdn - sweet pepper
css - morning, world !
gdn - red poppy
gdn - white foxglove
O&S(meme) - Silly Walk Clock
O&S - spirals
O&S - Whale for scale
clch - bottles
O&S - not an illusion
O&S (meme) - NHS privatisation
gld - view from orbit, 26th June 2021
fam - holiday homes
O&S - pavement art inc a rock
cvd - USA ; vax by age
cvd - Scotland, cases increase ; 23rd June 2021
cvd - Scottish positivity end of June 2021 [2 of 2…
cvd - Scottish positivity end of June 2021 [1 of 2…
cvd - UK needs 85 per cent vaccinations.
cvd - UK & EU case rates to 23rd June 2021
cvd - UK case rates compared, 22nd June 2021
cvd - selected infection rates
cvd - symptoms reported in 999 calls
cvd - UK hospital admissions facet, 30th June 2021
cvd - UK daily cases facet, 30th June 2021
cvd - fatalities to 30th June 2021
cvd - UK NHS regions hospital cases, 30th June 202…
cvd - UK hospital cases, 30th June 2021
cvd - UK daily deaths (+ra), 30th June 2021
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prob / O&S - empty tank
![prob / O&S - empty tank prob / O&S - empty tank](https://cdn.ipernity.com/200/86/52/50848652.339ddd53.640.jpg?r2)
![](https://s.ipernity.com/T/L/z.gif)
What happens when you pump out a tanker without opening the air inlet ...
Atmospheric pressure [about 14lbs per square inch in old money] will crush the tank quite easily.
[American rail tanker]
A similar effect ca be observed if you rinse out a plastic milk or pop bottle with very hot water, screw the top back on and then cool the bottle - it crushes in just like that. The severity of the collapse will depend on how thick the plastic is, how hot the rinse water is, and how well the top seals.
I use this affect to crush plastic bottles prior to putting them in the recycling as they then take up less space.
Not my image : Fair Use & educational purposes
Atmospheric pressure [about 14lbs per square inch in old money] will crush the tank quite easily.
[American rail tanker]
A similar effect ca be observed if you rinse out a plastic milk or pop bottle with very hot water, screw the top back on and then cool the bottle - it crushes in just like that. The severity of the collapse will depend on how thick the plastic is, how hot the rinse water is, and how well the top seals.
I use this affect to crush plastic bottles prior to putting them in the recycling as they then take up less space.
Not my image : Fair Use & educational purposes
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