Ama-magnetic screw cap ama-CTC ama-novellies emakethe ye-headpace ebuswa ama-headpace. Kodwa-ke, ikakhulukazi ama-hard-to-crimp cap cap, ukuvalwa kwesikulufa kuyindlela elula. Kwakhiwa ngensimbi, eqinisekisa ukuqina, amandla, kanye nokumelana nezici zezemvelo, okwenza kube lula ukuthola izinhlelo ezihlala isikhathi eside. I-cap ifakwe isici kazibuthe. Lokhu kuwusizo kakhulu emsebenzini wokunemba lapho ama-screws adinga khona ukuvikeleka futhi abekwe ngokunembile.
Ama-vials wesitoreji esiyisibonelo, esaziwa nangokuthi amabhodlela okugcina amakhemikhali, amabhodlela okufaka amakhemikhali, alungele ukufakwa okuphansi kwemikhakha ehlukahlukene yezemithi, amakhemikhali angezwe aphezulu, amalungiselelo okugcina impahla, alungele ukugcinwa okuhle kakhulu kwemikhiqizo.