Good questions!!
Hints follow. I've rot13'd them (to decode : https://rot13.com/ - and given them in order of spoileriness:
(1) Closed and Locked hatch
1. BX - lbh arrq fbzr bs gur onfvpf sebz gur svryqf - fbzr sver onfvp jbhyq or tbbq
2. Vs lbh trg fbzr sver onfvp, lbh pna chg vg ba gur uvatrf bs gur ungpu. Ohg lbh pna'g trg pybfr rabhtu
3. Lbh'yy arrq fbzr uryc.
4. Fbzr uryc va gur sbez bs n crg ovbzrpu.
5. Jura lbh'er perngvat vg, vg qbrf arrq gb or noyr gb pneel/znavchyngr guvatf.Vyyhzvangvat guvatf jbhyq nyfb or hfrshy.
6. Sver jbhyq nyfb uryc.
7. Vs lbh'er arkg gb gur sver onfvpf svryq, gura, tvir synfx gb zrpu, zrpu, trg sver onfvpf. Gura or dhvpx naq tb gb ungpu o4 vg pbbyf! zrpu, chg sver ba uvatrf
(2) Guarded Fence
Guvf vf whfg na rqtr bs znc erfcbafr. Lbh qba'g arrq gb tb cnfg guvf.
(3) Broken slate
1. Lbh'yy abgvpr gung va gur Npnqrzvn, gurer na byq Alpgrevq thneqvat gur Cbfbybtvn Sbehz
2. naq gurer'f n jvaqbj qverpgyl nobir vg va gur Rkrphgvir Tnyyrel.
3. Naq lbh unir n urnil fyngr.......
4. Qebc fyngr ba Alpgrevq
(4) Blazar
1. Lbh qba'g arrq guvf gvyy yngre va gur tnzr.
2. Lbh jvyy svaq vg pbzrf va unaql bapr lbh ivfvg n cynpr lbh unira'g orra gb lrg
3. Ab zber fcbyvref! :)
(5) Septum Wand
Frr nafjref gb dhrfgvba guerr.
(6) Biomech
1. Gur ovbzrpu pna uryc lbh jvgu gur ungpu.
2. Rkcrevzrag n yvggyr, ohg sylvat naq gur novyvgl gb pneel guvatf jbhyq or tbbq!