Ms Truss believes the experience of France illustrates that quality is not jeopardised by higher ratios.
Using the arm, the astronaut lifted the platform's fifth truss, or backbone, segment into place.
The authors include Elizabeth Truss and Dominic Raab, both tipped to be promoted in a future reshuffle.
In a blog Ms Truss described England's adult-to child ratios for nurseries and child minders as "restrictive".
Its astronauts Steve Swanson and Richard Arnold undertook the six-hour, seven-minute spacewalk required to install the truss.
Conservative MP Elizabeth Truss, who wants deregulation in childcare, said quality needed to be improved in the sector.
The Starboard 6 truss holds the fourth pair of solar arrays needed to fully power the orbiting outpost.
Ms Truss said she was "not anti-calculator", but claimed that their use may be lowering basic standards in maths.
The spacewalkers then plugged in power and data connectors to the truss and prepared a radiator to cool it.
Johnson and Nixon were bullies in a political system whose checks and balances truss a president hand and foot.
Elizabeth Truss wants to be one of the key voices in the debate.
Ms Truss has pushed for reform to regulations imposed on child minders to increase the number of child minding places.
Education and Childcare Minister Elizabeth Truss said pupils should only use them once they were confident in basic mathematical skills.
To counter her critics, Ms Truss has focused on the experience of France where she believes they manage higher ratios without jeopardising quality.
Space shuttle Endeavour's STS-134 crew carried it into orbit in May 2011, where it was installed on the station's truss structure.
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Staff at nurseries in England should be allowed to look after more children at once, Schools Minister Elizabeth Truss has urged.
Writing for the website Conservative Home, Ms Truss argued that England needed to change the way it organised and provided childcare.
Ms Truss has argued that the changes would lower childcare costs and allow professionals in the sector to be paid higher salaries.
Ms Truss said an over-reliance on calculators meant children missed the rigorous grounding in mental and written arithmetic they needed to progress.
Neither has Elizabeth Truss, who'll lose a lot of her South West Norfolk constituency and gain a lot of the Fens.
It's a steel truss bridge, meaning it has a boxy steel frame.
Children's Minister Liz Truss said the proposals would make more childcare places available and reduce costs for parents "in the long term".
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The related, and peculiarly British, appetite for nit-picking also reared its head with Lynne Truss's bad grammar diatribe Eats, Shoots and Leaves.
"The irony is that while maths is all around us, it seems to have become acceptable to be 'bad with numbers', " Ms Truss said.
The afternoon's final debate was opened the Conservative MP for South West Norfolk, Liz Truss, and focused on the use of calculators in schools.
Elizabeth Truss, (Con) Norfolk South West, pointed out that engineering skills are vital for Norfolk where there is proposal for a school specialising in them.
Ms Truss said Labour's record on school buildings "spoke for itself".
Earlier this year, a report by Elizabeth Truss MP, now education minister, said staffing ratios in nurseries should be reduced to cut red tape and costs.
In a written answer to a parliamentary question, Ms Truss confirmed that 261 schools were due to be rebuilt under the government's Priority Schools Building Programme.
From the truss bridges of the 1800s to patented designs such as the Golden Gate in 1936, bridge design has led to patents and new technologies.
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